Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Edgewood School (historical) | School | 182 | Hamilton | 39 17 25 N | 084 45 49 W |
| Grace United Methodist Church | Church | 232 | Defiance | 41 17 31 N | 084 45 48 W |
| Hicksville High School | School | 234 | Defiance | 41 17 42 N | 084 45 48 W |
| Saint Pauls Episcopal Church | Church | 232 | Defiance | 41 17 31 N | 084 45 48 W |
| Dixon-Israel Middle School | School | 332 | Preble | 39 42 01 N | 084 45 48 W |
| Lichtys Parcels | Populated Place | 224 | Paulding | 41 10 40 N | 084 45 47 W |
| First Church of Christ | Church | 233 | Defiance | 41 17 38 N | 084 45 47 W |
| Ziegler Ditch | Canal | 256 | Williams | 41 29 06 N | 084 45 47 W |
| Racetrack Run | Stream | | Defiance | 41 19 04 N | 084 45 46 W |
| Hueston Woods Lodge Heliport | Airport | 265 | Preble | 39 34 58 N | 084 45 46 W |
| Hicksville Post Office | Post Office | 232 | Defiance | 41 17 35 N | 084 45 45 W |
| Oxford Honor Camp (historical) | Locale | 267 | Preble | 39 34 54 N | 084 45 45 W |
| Pine Grove Picnic Area | Locale | 290 | Preble | 39 34 43 N | 084 45 45 W |
| Buttermilk Ridge Stock Farm | Locale | 295 | Butler | 39 27 37 N | 084 45 45 W |
| McNeal Cemetery | Cemetery | 236 | Van Wert | 40 58 33 N | 084 45 44 W |
| Fountain Manor Nursing Home | Building | 228 | Defiance | 41 17 15 N | 084 45 44 W |
| Hicksville | Populated Place | 232 | Defiance | 41 17 35 N | 084 45 43 W |
| Berea Cemetery | Cemetery | 163 | Hamilton | 39 10 33 N | 084 45 43 W |
| Banks Cemetery | Cemetery | 223 | Paulding | 41 11 08 N | 084 45 42 W |
| Braffetsville | Populated Place | 352 | Darke | 39 55 28 N | 084 45 42 W |
| Lee Creek | Stream | | Hamilton | 39 15 25 N | 084 45 42 W |
| Hooven Elementary School | School | 161 | Hamilton | 39 10 31 N | 084 45 41 W |
| Wolfcale Post Office (historical) | Post Office | | Van Wert | 40 53 15 N | 084 45 40 W |
| Township of Willshire | Civil | 253 | Van Wert | 40 46 27 N | 084 45 40 W |
| West Florence Post Office (historical) | Post Office | 350 | Preble | 39 44 40 N | 084 45 40 W |
| Maple Grove Picnic Area | Locale | 290 | Preble | 39 34 38 N | 084 45 40 W |
| Reily | Populated Place | 229 | Butler | 39 26 01 N | 084 45 40 W |
| Reily Post Office (historical) | Post Office | 228 | Butler | 39 26 00 N | 084 45 40 W |
| School Number 5 (historical) | School | 226 | Butler | 39 25 52 N | 084 45 40 W |
| Morgan Elementary School | School | 192 | Butler | 39 20 40 N | 084 45 40 W |
| Wolfcale | Populated Place | 247 | Van Wert | 40 53 17 N | 084 45 39 W |
| School Number 8 (historical) | School | 280 | Butler | 39 24 21 N | 084 45 39 W |
| Miami Whitewater Forest County Park | Park | 242 | Hamilton | 39 14 30 N | 084 45 39 W |
| West Florence | Populated Place | 349 | Preble | 39 44 38 N | 084 45 38 W |
| Hopewell Cemetery | Cemetery | 299 | Preble | 39 36 12 N | 084 45 38 W |
| Hopewell Church | Church | 298 | Preble | 39 36 10 N | 084 45 38 W |
| Vanness School (historical) | School | 295 | Butler | 39 27 52 N | 084 45 38 W |
| Township of Gibson | Civil | 299 | Mercer | 40 23 45 N | 084 45 37 W |
| Shilts Ditch | Canal | 230 | Paulding | 41 01 48 N | 084 45 37 W |
| Jarrett Wood Subdivision | Populated Place | 223 | Paulding | 41 10 40 N | 084 45 37 W |
| Campbellstown | Populated Place | 361 | Preble | 39 47 16 N | 084 45 37 W |
| Big Woods Trail | Trail | 287 | Preble | 39 34 20 N | 084 45 37 W |
| Campbellstown United Church of Christ | Church | 360 | Preble | 39 47 07 N | 084 45 36 W |
| Campbellstown Post Office (historical) | Post Office | 359 | Preble | 39 47 15 N | 084 45 35 W |
| Claysburg (historical) | Populated Place | 313 | Preble | 39 37 35 N | 084 45 35 W |
| School Number 9 (historical) | School | 288 | Butler | 39 29 35 N | 084 45 35 W |
| Hooven Post Office | Post Office | 157 | Hamilton | 39 10 40 N | 084 45 35 W |
| Township of Liberty | Civil | 354 | Darke | 40 03 15 N | 084 45 34 W |
| Hooven | Populated Place | 154 | Hamilton | 39 10 41 N | 084 45 33 W |
| Macedon Cemetery | Cemetery | 277 | Mercer | 40 28 46 N | 084 45 32 W |
| Township of Israel | Civil | 299 | Preble | 39 36 20 N | 084 45 32 W |
| School Number 5 (historical) | School | 293 | Butler | 39 31 21 N | 084 45 32 W |
| Sieberi Ditch | Canal | 220 | Paulding | 41 11 49 N | 084 45 31 W |
| Township of Jackson | Civil | 354 | Preble | 39 49 05 N | 084 45 31 W |
| Deer Pen Picnic Area | Locale | 268 | Preble | 39 34 44 N | 084 45 31 W |
| Hueston Woods | Woods | 274 | Preble | 39 34 19 N | 084 45 30 W |
| Little Indian Creek | Stream | | Butler | 39 25 44 N | 084 45 29 W |
| Bowen Ditch | Canal | 246 | Van Wert | 40 46 58 N | 084 45 28 W |
| Hueston Woods State Nature Preserve | Park | 289 | Preble | 39 34 14 N | 084 45 28 W |
| School Number 2 (historical) | School | 244 | Butler | 39 22 37 N | 084 45 28 W |
| Toti Creek | Stream | | Mercer | 40 29 00 N | 084 45 26 W |
| Beech Grove Cemetery | Cemetery | 360 | Darke | 40 00 57 N | 084 45 26 W |
| Church of God Camp | Locale | 228 | Paulding | 41 03 15 N | 084 45 25 W |
| Community Memorial Hospital | Hospital | 232 | Defiance | 41 18 02 N | 084 45 24 W |
| Pioneer Farm Museum | Building | 300 | Butler | 39 33 37 N | 084 45 24 W |
| School Number 2 (historical) | School | 291 | Butler | 39 33 15 N | 084 45 24 W |
| Snell Cemetery | Cemetery | 327 | Darke | 40 10 07 N | 084 45 23 W |
| Penn Ditch | Canal | 225 | Paulding | 41 07 35 N | 084 45 23 W |
| Sauerkraut School (historical) | School | 360 | Darke | 40 01 07 N | 084 45 23 W |
| Township of Florence | Civil | 272 | Williams | 41 33 44 N | 084 45 23 W |
| Westgate Shopping Center | Locale | 296 | Butler | 39 31 05 N | 084 45 23 W |
| Bunker Hill School (historical) | School | 330 | Darke | 40 20 17 N | 084 45 22 W |
| Defiance County Fairgrounds | Park | 228 | Defiance | 41 17 24 N | 084 45 21 W |
| Dixon Branch | Stream | | Preble | 39 41 47 N | 084 45 21 W |
| Oxford Park | Park | 287 | Butler | 39 30 25 N | 084 45 21 W |
| Township of Washington | Civil | 328 | Darke | 40 08 29 N | 084 45 20 W |
| Brady Ditch | Canal | 227 | Paulding | 41 05 33 N | 084 45 20 W |
| Beech Grove Church of the Brethren | Church | 357 | Darke | 40 00 59 N | 084 45 18 W |
| Sycamore Hiking Trail | Trail | 266 | Preble | 39 35 22 N | 084 45 18 W |
| Sugar Bush Trail | Trail | 278 | Preble | 39 34 20 N | 084 45 18 W |
| Shadyview Lakes | Lake | 347 | Darke | 39 56 08 N | 084 45 17 W |
| Cedar Falls Hiking Trail | Trail | 268 | Preble | 39 35 32 N | 084 45 17 W |
| Berlin | Populated Place | 287 | Williams | 41 36 34 N | 084 45 16 W |
| Township of Hicksville | Civil | 230 | Defiance | 41 17 38 N | 084 45 15 W |
| Blue Heron Hiking Trail | Trail | 283 | Preble | 39 34 08 N | 084 45 15 W |
| Tobin School (historical) | School | 316 | Darke | 40 15 05 N | 084 45 14 W |
| Flory School (historical) | School | 327 | Darke | 40 09 47 N | 084 45 14 W |
| Mill Stream Drain | Canal | 295 | Williams | 41 41 45 N | 084 45 13 W |
| Cabin Trail | Trail | 274 | Preble | 39 35 07 N | 084 45 13 W |
| Township of Reily | Civil | 268 | Butler | 39 27 24 N | 084 45 13 W |
| State Cemetery | Cemetery | 185 | Hamilton | 39 09 05 N | 084 45 13 W |
| Township of Recovery | Civil | 301 | Mercer | 40 25 45 N | 084 45 12 W |
| Township of Mississinawa | Civil | 323 | Darke | 40 18 31 N | 084 45 12 W |
| Miller Park | Park | 253 | Williams | 41 27 04 N | 084 45 12 W |
| Harrison State Park | Park | 170 | Hamilton | 39 09 11 N | 084 45 12 W |
| Poplar Grove Church | Church | 326 | Darke | 40 09 45 N | 084 45 11 W |
| Saint Johns Lutheran Church | Church | 232 | Defiance | 41 17 56 N | 084 45 11 W |
| Marva Lakes | Lake | 347 | Preble | 39 53 06 N | 084 45 11 W |
| Macedon Post Office (historical) | Post Office | 275 | Mercer | 40 28 45 N | 084 45 10 W |
| Brinley Fork | Stream | | Preble | 39 53 29 N | 084 45 10 W |
| Bratton Ditch | Canal | 252 | Williams | 41 28 56 N | 084 45 10 W |
| Sycamore Grove Picnic Area | Locale | 271 | Preble | 39 35 32 N | 084 45 10 W |
| Beaver Creek | Stream | | Mercer | 40 33 47 N | 084 45 09 W |
| Macedon | Populated Place | 276 | Mercer | 40 28 46 N | 084 45 09 W |
| Maple Grove Cemetery | Cemetery | 256 | Williams | 41 26 37 N | 084 45 08 W |
| Statler Ditch | Canal | 338 | Preble | 39 44 12 N | 084 45 08 W |
| Camp Run | Stream | | Butler | 39 20 07 N | 084 45 08 W |
| School Number 7 (historical) | School | 353 | Darke | 40 02 25 N | 084 45 06 W |
| Pleasant Valley Church | Church | 311 | Darke | 40 16 53 N | 084 45 05 W |
| Johnson Ditch | Canal | 224 | Paulding | 41 10 11 N | 084 45 05 W |