Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Yankeetown Post Office (historical) | Post Office | 361 | Darke | 39 55 45 N | 084 43 20 W |
| National Trail High School | School | 356 | Preble | 39 50 12 N | 084 43 20 W |
| School Number 8 (historical) | School | 259 | Butler | 39 29 25 N | 084 43 20 W |
| Sekitan Post Office (historical) | Post Office | 177 | Hamilton | 39 08 35 N | 084 43 20 W |
| Redeemer Lutheran Cemetery | Cemetery | 243 | Van Wert | 40 53 17 N | 084 43 19 W |
| Nation School (historical) | School | 302 | Butler | 39 32 53 N | 084 43 19 W |
| New Hope Station | Locale | 356 | Preble | 39 46 35 N | 084 43 18 W |
| School Number 6 (historical) | School | 269 | Butler | 39 31 21 N | 084 43 18 W |
| School Number 1 (historical) | School | 275 | Butler | 39 22 37 N | 084 43 18 W |
| Saint Johns School | School | 242 | Van Wert | 40 53 21 N | 084 43 17 W |
| Clark Cemetery | Cemetery | 337 | Darke | 40 00 53 N | 084 43 17 W |
| School Number 9 (historical) | School | 222 | Defiance | 41 16 52 N | 084 43 15 W |
| Gettysburgh Post Office (historical) | Post Office | 357 | Preble | 39 50 25 N | 084 43 15 W |
| Beechwood Cemetery | Cemetery | 319 | Preble | 39 35 05 N | 084 43 15 W |
| Gettysburg | Populated Place | 358 | Preble | 39 50 26 N | 084 43 14 W |
| Mount Hope Church | Church | 206 | Hamilton | 39 14 50 N | 084 43 14 W |
| Miami Heights | Populated Place | 251 | Hamilton | 39 09 54 N | 084 43 14 W |
| Early Church of God in Christ | Church | 156 | Hamilton | 39 08 30 N | 084 43 13 W |
| Spring Branch | Stream | | Darke | 40 02 50 N | 084 43 11 W |
| Collins Creek | Stream | | Butler | 39 29 54 N | 084 43 09 W |
| Miamiview Golf Course | Locale | 227 | Hamilton | 39 12 57 N | 084 43 05 W |
| Saint Johns Cemetery | Cemetery | 242 | Van Wert | 40 53 17 N | 084 43 03 W |
| Township of Tully | Civil | 238 | Van Wert | 40 55 45 N | 084 43 03 W |
| Marland Peat Pits | Mine | 328 | Darke | 39 59 25 N | 084 43 02 W |
| Crosby Elementary School | School | 177 | Hamilton | 39 16 34 N | 084 43 02 W |
| First Baptist Church | Church | 158 | Hamilton | 39 08 26 N | 084 43 02 W |
| Phillips Chapel | Church | 154 | Hamilton | 39 08 25 N | 084 43 02 W |
| The Ministry of the Two Witnesses Church | Church | 151 | Hamilton | 39 08 24 N | 084 43 02 W |
| Harkers Run | Stream | | Preble | 39 30 29 N | 084 43 01 W |
| Miamiview Golf Course Pond Dam Number One | Dam | 213 | Hamilton | 39 12 42 N | 084 42 60 W |
| Miamiview Golf Course Pond Number One | Reservoir | 214 | Hamilton | 39 12 42 N | 084 42 60 W |
| Shandon United Church of Christ | Church | 183 | Butler | 39 19 37 N | 084 42 58 W |
| Sugar Valley Cemetery | Cemetery | 332 | Preble | 39 41 06 N | 084 42 56 W |
| Six Corners Cemetery | Cemetery | 234 | Defiance | 41 19 17 N | 084 42 55 W |
| Thomas Cemetery | Cemetery | 261 | Williams | 41 27 57 N | 084 42 55 W |
| Shandon Post Office | Post Office | 183 | Butler | 39 19 35 N | 084 42 55 W |
| Shandon | Populated Place | 183 | Butler | 39 19 35 N | 084 42 53 W |
| West Fork Ditch | Canal | 228 | Paulding | 40 59 55 N | 084 42 52 W |
| Slough Cemetery | Cemetery | 222 | Paulding | 41 12 14 N | 084 42 52 W |
| Frame Cemetery | Cemetery | 348 | Preble | 39 45 51 N | 084 42 52 W |
| Bear Creek | Stream | | Williams | 41 30 52 N | 084 42 51 W |
| New Hope Station Post Office (historical) | Post Office | 351 | Preble | 39 47 30 N | 084 42 50 W |
| School Number 7 (historical) | School | 295 | Williams | 41 41 10 N | 084 42 50 W |
| Quaker Ridge School (historical) | School | 332 | Preble | 39 38 22 N | 084 42 50 W |
| Nettle Lake Cemetery | Cemetery | 298 | Williams | 41 41 06 N | 084 42 49 W |
| John Ramsey Cemetery | Cemetery | 317 | Preble | 39 36 16 N | 084 42 49 W |
| Township of Crosby | Civil | 180 | Hamilton | 39 16 20 N | 084 42 49 W |
| Addyston United Methodist Church | Church | 151 | Hamilton | 39 08 20 N | 084 42 49 W |
| New Hope | Populated Place | 351 | Preble | 39 47 30 N | 084 42 48 W |
| Miamiview Golf Course Pond Dam Number Two | Dam | 203 | Hamilton | 39 12 48 N | 084 42 48 W |
| Miamiview Golf Course Pond Number Two | Reservoir | 208 | Hamilton | 39 12 48 N | 084 42 48 W |
| New Hope United Methodist Church | Church | 351 | Preble | 39 47 30 N | 084 42 47 W |
| Sugar Valley | Populated Place | 335 | Preble | 39 41 32 N | 084 42 47 W |
| Lightsville | Populated Place | 317 | Darke | 40 17 07 N | 084 42 46 W |
| Shandon Cemetery | Cemetery | 182 | Butler | 39 19 31 N | 084 42 46 W |
| Lightsville Post Office (historical) | Post Office | 317 | Darke | 40 17 05 N | 084 42 45 W |
| South Branch Marie DeLarme Creek | Stream | | Paulding | 41 13 56 N | 084 42 45 W |
| Sugar Valley Post Office (historical) | Post Office | 335 | Preble | 39 41 30 N | 084 42 45 W |
| Sugar Valley United Methodist Church | Church | 335 | Preble | 39 41 30 N | 084 42 45 W |
| Woods Station | Locale | 292 | Butler | 39 27 26 N | 084 42 45 W |
| Nettle Lake United Brethren Church | Church | 298 | Williams | 41 41 06 N | 084 42 44 W |
| Saint Pauls Catholic Cemetery | Cemetery | 315 | Mercer | 40 22 01 N | 084 42 43 W |
| Meredith Hitchens Elementary School | School | 148 | Hamilton | 39 08 18 N | 084 42 43 W |
| Saint Pauls Catholic Church | Church | 315 | Mercer | 40 22 02 N | 084 42 42 W |
| Sharpsburg Elementary School | School | 314 | Mercer | 40 22 04 N | 084 42 42 W |
| Tri-Village High School | School | 338 | Darke | 39 57 53 N | 084 42 42 W |
| Union Corners | Locale | 276 | Williams | 41 36 35 N | 084 42 42 W |
| Miamitown Airport | Airport | 153 | Hamilton | 39 14 01 N | 084 42 42 W |
| Bratton School (historical) | School | 265 | Williams | 41 33 25 N | 084 42 41 W |
| Zion Lutheran Church | Church | 265 | Williams | 41 25 33 N | 084 42 40 W |
| Mina | Populated Place | 261 | Williams | 41 27 14 N | 084 42 40 W |
| School Number 1 (historical) | School | 262 | Williams | 41 29 42 N | 084 42 40 W |
| Muddy Creek | Stream | | Hamilton | 39 07 51 N | 084 42 40 W |
| Big Run | Stream | | Mercer | 40 32 50 N | 084 42 39 W |
| School Number 7 (historical) | School | 256 | Williams | 41 26 28 N | 084 42 39 W |
| School Number 12 (historical) | School | 262 | Williams | 41 31 39 N | 084 42 39 W |
| School Number 1 (historical) | School | 278 | Williams | 41 36 22 N | 084 42 39 W |
| School Number 6 (historical) | School | 271 | Williams | 41 35 07 N | 084 42 39 W |
| Chapman School (historical) | School | 256 | Defiance | 41 22 59 N | 084 42 37 W |
| Sycamore Shoals Marina | Locale | 140 | Hamilton | 39 07 44 N | 084 42 37 W |
| Zion Lutheran Cemetery | Cemetery | 265 | Defiance | 41 25 34 N | 084 42 36 W |
| Addyston Baptist Church | Church | 155 | Hamilton | 39 08 30 N | 084 42 36 W |
| Sharpsburg | Populated Place | 314 | Mercer | 40 22 04 N | 084 42 35 W |
| Elroy Post Office (historical) | Post Office | 315 | Darke | 40 12 25 N | 084 42 35 W |
| New Madison Post Office | Post Office | 338 | Darke | 39 58 05 N | 084 42 35 W |
| Six Corners | Populated Place | 234 | Defiance | 41 19 29 N | 084 42 35 W |
| Cicero Post Office (historical) | Post Office | 239 | Defiance | 41 20 20 N | 084 42 35 W |
| Elroy | Populated Place | 315 | Darke | 40 12 23 N | 084 42 34 W |
| Wiltsie Cemetery | Cemetery | 225 | Paulding | 41 05 22 N | 084 42 34 W |
| Cicero (historical) | Populated Place | 239 | Defiance | 41 20 22 N | 084 42 34 W |
| Manley School (historical) | School | 246 | Mercer | 40 41 03 N | 084 42 33 W |
| Zimerman Cemetery | Cemetery | 246 | Mercer | 40 42 55 N | 084 42 33 W |
| Riverview Park Subdivision | Populated Place | 224 | Paulding | 41 05 00 N | 084 42 33 W |
| New Madison | Populated Place | 338 | Darke | 39 58 04 N | 084 42 33 W |
| United Brethren Church of Six Corners (historical) | Church | 234 | Defiance | 41 19 30 N | 084 42 33 W |
| Crary School (historical) | School | 244 | Defiance | 41 21 15 N | 084 42 33 W |
| Addyston | Populated Place | 144 | Hamilton | 39 08 12 N | 084 42 33 W |
| Robinson School (historical) | School | 251 | Mercer | 40 39 17 N | 084 42 32 W |
| Landfair Church | Church | 264 | Mercer | 40 35 49 N | 084 42 32 W |
| Mount Carmel Church | Church | 271 | Mercer | 40 34 03 N | 084 42 32 W |
| Tamarack Cemetery | Cemetery | 259 | Defiance | 41 24 42 N | 084 42 32 W |
| School Number 9 (historical) | School | 278 | Williams | 41 37 42 N | 084 42 32 W |
| West Eagle Creek Church | Church | 285 | Williams | 41 38 24 N | 084 42 32 W |
| School Number 8 (historical) | School | 287 | Williams | 41 39 32 N | 084 42 32 W |
| King School (historical) | School | 244 | Mercer | 40 42 42 N | 084 42 31 W |
| Hinton | Populated Place | 261 | Mercer | 40 36 41 N | 084 42 31 W |
| School Number 1 (historical) | School | 221 | Paulding | 41 11 08 N | 084 42 31 W |
| Armstrong School (historical) | School | 218 | Paulding | 41 12 31 N | 084 42 31 W |
| New Madison United Methodist Church | Church | 338 | Darke | 39 58 08 N | 084 42 31 W |
| Erter School (historical) | School | 220 | Paulding | 41 14 16 N | 084 42 31 W |