Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Greenville Post Office | Post Office | 318 | Darke | 40 06 10 N | 084 37 57 W |
| Bethel Cemetery | Cemetery | 253 | Williams | 41 28 15 N | 084 37 57 W |
| Thompson Park | Park | 217 | Butler | 39 27 56 N | 084 37 57 W |
| Greenville South Broadway Commercial Historic District | Park | 319 | Darke | 40 06 03 N | 084 37 56 W |
| School Number 5 (historical) | School | 253 | Williams | 41 28 17 N | 084 37 56 W |
| Evangelical United Methodist Church | Church | 318 | Darke | 40 05 54 N | 084 37 55 W |
| Arena Post Office (historical) | Post Office | 223 | Paulding | 41 08 05 N | 084 37 55 W |
| School Number 5 (historical) | School | 266 | Williams | 41 33 27 N | 084 37 55 W |
| Antioch Cemetery | Cemetery | 303 | Preble | 39 42 00 N | 084 37 55 W |
| Township of Green | Civil | 272 | Hamilton | 39 09 55 N | 084 37 55 W |
| Coldwater United Methodist Church | Church | 275 | Mercer | 40 28 52 N | 084 37 54 W |
| West Elementary School | School | 275 | Mercer | 40 28 52 N | 084 37 54 W |
| Darke County Courthouse | Building | 319 | Darke | 40 06 02 N | 084 37 54 W |
| Church of the Nazarene | Church | 318 | Darke | 40 05 17 N | 084 37 54 W |
| Fountain of Life Church | Church | 318 | Darke | 40 05 17 N | 084 37 54 W |
| School Number 1 (historical) | School | 218 | Paulding | 41 13 29 N | 084 37 54 W |
| Visitation Catholic Church | Church | 317 | Preble | 39 44 37 N | 084 37 54 W |
| School Number 2 (historical) | School | 282 | Williams | 41 41 13 N | 084 37 54 W |
| Ross High School | School | 176 | Butler | 39 20 01 N | 084 37 54 W |
| United Brethren Cemetery | Cemetery | | Hamilton | 39 15 33 N | 084 37 53 W |
| Monkey Run | Stream | | Van Wert | 40 54 41 N | 084 37 53 W |
| Darke County Jail | Building | 319 | Darke | 40 06 01 N | 084 37 53 W |
| School Number 2 (historical) | School | 223 | Paulding | 41 03 46 N | 084 37 53 W |
| Briceton School (historical) | School | 223 | Paulding | 41 05 31 N | 084 37 53 W |
| Arena (historical) | Populated Place | 223 | Paulding | 41 08 07 N | 084 37 53 W |
| Sunnyside School (historical) | School | 223 | Paulding | 41 09 01 N | 084 37 53 W |
| Gerkins School (historical) | School | 221 | Paulding | 41 10 44 N | 084 37 53 W |
| Curtis School (historical) | School | 220 | Paulding | 41 14 33 N | 084 37 53 W |
| Spion School (historical) | School | 220 | Defiance | 41 16 01 N | 084 37 53 W |
| Oliver School (historical) | School | 222 | Defiance | 41 21 17 N | 084 37 53 W |