Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Reid Hall | Building | 269 | Butler | 39 30 40 N | 084 43 50 W |
| Mitchell Memorial Forest | Forest | 223 | Hamilton | 39 11 02 N | 084 43 50 W |
| Blakeslee | Populated Place | 263 | Williams | 41 31 27 N | 084 43 49 W |
| Langstroth House | Building | 267 | Butler | 39 30 24 N | 084 43 49 W |
| Township of Harrison | Civil | 227 | Paulding | 41 05 52 N | 084 43 48 W |
| Saint Joseph School | School | 265 | Williams | 41 31 37 N | 084 43 48 W |
| Saint Joseph Catholic Church | Church | 265 | Williams | 41 31 39 N | 084 43 48 W |
| Saint Joseph Cemetery | Cemetery | 268 | Williams | 41 32 05 N | 084 43 48 W |
| Stancote House | Building | 266 | Butler | 39 30 23 N | 084 43 48 W |
| Miamitown Church | Church | 158 | Hamilton | 39 12 14 N | 084 43 48 W |
| Bachelor Hall | Building | 267 | Butler | 39 30 26 N | 084 43 47 W |
| Edgar Stillman-Kelley Studio | Building | 263 | Butler | 39 30 16 N | 084 43 47 W |
| Patterson Place | Building | 263 | Butler | 39 30 19 N | 084 43 47 W |
| Presser Hall | Building | 263 | Butler | 39 30 14 N | 084 43 47 W |
| Miami Whitewater Forest | Forest | 191 | Hamilton | 39 14 25 N | 084 43 47 W |
| Payne Church of Christ | Church | 228 | Paulding | 41 04 45 N | 084 43 46 W |
| Denmark (historical) | Populated Place | 255 | Williams | 41 29 18 N | 084 43 46 W |
| Symmes Hall | Building | 267 | Butler | 39 30 43 N | 084 43 46 W |
| Payne Community Park | Park | 227 | Paulding | 41 05 07 N | 084 43 45 W |
| Conrad Formal Gardens | Park | 265 | Butler | 39 30 46 N | 084 43 45 W |
| Cook Field | Park | 269 | Butler | 39 30 32 N | 084 43 45 W |
| Oxford Cemetery | Cemetery | 256 | Butler | 39 29 46 N | 084 43 45 W |
| Mooney Meadows Subdivision | Populated Place | 227 | Paulding | 41 04 03 N | 084 43 43 W |
| Dorsey Hall | Building | 269 | Butler | 39 30 38 N | 084 43 43 W |
| Saint John the Baptist School | School | 227 | Paulding | 41 04 35 N | 084 43 42 W |
| Saint Johns Elementary School | School | 227 | Paulding | 41 04 35 N | 084 43 42 W |
| Dever Pond | Reservoir | 225 | Butler | 39 18 48 N | 084 43 42 W |
| Dever Pond Dam | Dam | 225 | Butler | 39 18 48 N | 084 43 42 W |
| Old Rose Hill Cemetery | Cemetery | 335 | Darke | 40 18 42 N | 084 43 41 W |
| Hetzlerville (historical) | Populated Place | 318 | Darke | 40 12 19 N | 084 43 41 W |
| Saint Jacobs Evangelical and Reformed Church | Church | 228 | Paulding | 41 04 41 N | 084 43 41 W |
| Leonard Howell Park | Park | 244 | Butler | 39 31 17 N | 084 43 41 W |
| Marcum Conference Center | Building | 266 | Butler | 39 30 47 N | 084 43 41 W |
| Hoyt Hall | Building | 260 | Butler | 39 30 11 N | 084 43 41 W |
| Western College | School | 263 | Butler | 39 30 13 N | 084 43 41 W |
| Schumm Post Office (historical) | Post Office | | Van Wert | 40 45 25 N | 084 43 40 W |
| Little Black Creek | Stream | | Mercer | 40 42 54 N | 084 43 40 W |
| Zion Lutheran Church | Church | 255 | Van Wert | 40 45 04 N | 084 43 40 W |
| Hetslerville Post Office (historical) | Post Office | 318 | Darke | 40 12 20 N | 084 43 40 W |
| Roe Corners | Populated Place | 322 | Darke | 40 11 35 N | 084 43 40 W |
| Church of God | Church | 228 | Paulding | 41 04 43 N | 084 43 40 W |
| Saint John the Baptist Roman Catholic Church | Church | 227 | Paulding | 41 04 37 N | 084 43 40 W |
| Walters School (historical) | School | 341 | Preble | 39 41 59 N | 084 43 40 W |
| Mary Lyon Hall | Building | 265 | Butler | 39 30 14 N | 084 43 40 W |
| New London Cemetery | Cemetery | 193 | Butler | 39 19 32 N | 084 43 40 W |
| Mount Hope Pet Cemetery | Cemetery | 201 | Hamilton | 39 15 21 N | 084 43 40 W |
| Bursville | Populated Place | 256 | Mercer | 40 37 33 N | 084 43 39 W |
| Schumm | Populated Place | 257 | Van Wert | 40 45 23 N | 084 43 39 W |
| Smith Cemetery | Cemetery | 246 | Van Wert | 40 44 32 N | 084 43 39 W |
| Miller Cemetery | Cemetery | 334 | Darke | 40 03 19 N | 084 43 39 W |
| Fairview Grange Hall | Building | 222 | Paulding | 41 14 15 N | 084 43 39 W |
| Big Lake | Lake | 253 | Defiance | 41 24 41 N | 084 43 39 W |
| Havighurst Hall | Building | 265 | Butler | 39 30 19 N | 084 43 39 W |
| Payne | Populated Place | 227 | Paulding | 41 04 39 N | 084 43 38 W |
| Saint Paul United Methodist Church | Church | 227 | Paulding | 41 04 37 N | 084 43 38 W |
| Collins Hall | Building | 266 | Butler | 39 30 42 N | 084 43 38 W |
| Cook Place | Building | 268 | Butler | 39 30 33 N | 084 43 38 W |
| McBride Hall | Building | 268 | Butler | 39 30 38 N | 084 43 38 W |
| Schumm Cemetery | Cemetery | 253 | Van Wert | 40 45 03 N | 084 43 37 W |
| New Rose Hill Cemetery | Cemetery | 334 | Darke | 40 18 42 N | 084 43 37 W |
| Sugar Grove Church (historical) | Church | 234 | Van Wert | 40 58 29 N | 084 43 37 W |
| Payne Post Office | Post Office | 228 | Paulding | 41 04 43 N | 084 43 37 W |
| Cole Service Building | Building | 268 | Butler | 39 30 30 N | 084 43 37 W |
| Alexander Dining Hall | Building | 266 | Butler | 39 30 15 N | 084 43 37 W |
| Pugh School (historical) | School | 224 | Paulding | 41 08 11 N | 084 43 36 W |
| Wilson Hall | Building | 268 | Butler | 39 30 36 N | 084 43 36 W |
| School Number 6 (historical) | School | 241 | Butler | 39 25 40 N | 084 43 36 W |
| Friends Church | Locale | 236 | Van Wert | 40 57 11 N | 084 43 35 W |
| Saint James Lutheran Church | Church | 227 | Paulding | 41 04 38 N | 084 43 35 W |
| Dennison Hall | Building | 268 | Butler | 39 30 40 N | 084 43 35 W |
| Ditmer Field | Park | 265 | Butler | 39 30 23 N | 084 43 35 W |
| Clawson Hall | Building | 267 | Butler | 39 30 15 N | 084 43 35 W |
| Kumler Chapel | Church | 263 | Butler | 39 30 08 N | 084 43 35 W |
| McKee Hall | Building | 265 | Butler | 39 30 11 N | 084 43 35 W |
| Coppess Nature Sanctuary | Park | 316 | Darke | 40 12 59 N | 084 43 34 W |
| East End | Building | 269 | Butler | 39 30 37 N | 084 43 34 W |
| Erickson Dining Hall | Building | 267 | Butler | 39 30 40 N | 084 43 34 W |
| Nettle Lake | Lake | 288 | Williams | 41 40 57 N | 084 43 33 W |
| Peabody Hall | Building | 265 | Butler | 39 30 04 N | 084 43 33 W |
| Rose Hill | Populated Place | 329 | Darke | 40 18 31 N | 084 43 32 W |
| Boyd Hall | Building | 267 | Butler | 39 30 12 N | 084 43 32 W |
| Miller Grove German Baptist Church | Church | 336 | Darke | 40 03 20 N | 084 43 31 W |
| Thomson Hall | Building | 267 | Butler | 39 30 17 N | 084 43 31 W |
| Rosehill Post Office (historical) | Post Office | 327 | Darke | 40 18 30 N | 084 43 30 W |
| Marcum Nature Trail | Trail | 240 | Butler | 39 30 44 N | 084 43 30 W |
| Sawyer Gymnasium | Building | 262 | Butler | 39 30 04 N | 084 43 29 W |
| Three Rivers Junior High School | School | 234 | Hamilton | 39 09 37 N | 084 43 29 W |
| Maumee Cemetery | Cemetery | 221 | Paulding | 41 11 20 N | 084 43 28 W |
| Denmark Bridge | Bridge | 255 | Williams | 41 29 21 N | 084 43 28 W |
| Ernst Nature Theatre | Building | 256 | Butler | 39 30 06 N | 084 43 28 W |
| Grandview | Populated Place | 197 | Hamilton | 39 11 39 N | 084 43 28 W |
| Clark | Populated Place | 333 | Darke | 40 00 47 N | 084 43 27 W |
| Mill Creek | Stream | | Defiance | 41 16 53 N | 084 43 27 W |
| Lakeview School (historical) | School | 340 | Darke | 39 59 35 N | 084 43 26 W |
| Township of Miami | Civil | 237 | Hamilton | 39 09 45 N | 084 43 26 W |
| McFadden School (historical) | School | 363 | Preble | 39 52 19 N | 084 43 25 W |
| Bunkerhill Post Office (historical) | Post Office | 209 | Butler | 39 25 00 N | 084 43 25 W |
| Gettysburg Cemetery | Cemetery | 354 | Preble | 39 50 06 N | 084 43 24 W |
| Nettle Lake | Populated Place | 290 | Williams | 41 40 45 N | 084 43 24 W |
| Yankeetown Cemetery | Cemetery | 357 | Darke | 39 56 08 N | 084 43 23 W |
| Ebenezer Church | Church | 356 | Preble | 39 50 26 N | 084 43 23 W |
| Bunker Hill | Populated Place | 213 | Butler | 39 25 02 N | 084 43 23 W |
| Stamback School (historical) | School | 357 | Preble | 39 48 58 N | 084 43 22 W |
| Flora School (historical) | School | 346 | Preble | 39 43 45 N | 084 43 22 W |
| Hart School (historical) | School | 332 | Preble | 39 40 12 N | 084 43 22 W |
| Sekitan | Populated Place | 160 | Hamilton | 39 08 33 N | 084 43 22 W |
| School Number 1 (historical) | School | 299 | Butler | 39 27 51 N | 084 43 21 W |
| Township of Morgan | Civil | 223 | Butler | 39 20 36 N | 084 43 21 W |
| Dealey Cemetery | Cemetery | 231 | Paulding | 41 00 14 N | 084 43 20 W |
| Yankeetown | Populated Place | 360 | Darke | 39 55 47 N | 084 43 20 W |