| Piqua to Richmond (California) | 2,034.11 mi (3,273.58 km) |
| Piqua to Richmond (Indiana) | 40.69 mi (65.49 km) |
| Piqua to Richmond (Kentucky) | 167.22 mi (269.11 km) |
| Piqua to Richmond (Texas) | 977.58 mi (1,573.26 km) |
| Piqua to Richmond (Virginia) | 406.64 mi (654.42 km) |
| Piqua to Richmond Heights (Florida) | 1,027.50 mi (1,653.60 km) |
| Piqua to Richmond Heights (Ohio) | 173.16 mi (278.68 km) |
| Piqua to Richmond Hill (Georgia) | 592.95 mi (954.26 km) |
| Piqua to Richmond West (Florida) | 1,028.42 mi (1,655.09 km) |
| Piqua to Richton Park (Illinois) | 204.55 mi (329.19 km) |
| Piqua to Ridge (New York) | 598.58 mi (963.31 km) |
| Piqua to Ridgecrest (California) | 1,837.65 mi (2,957.41 km) |
| Piqua to Ridgefield (New Jersey) | 539.26 mi (867.85 km) |
| Piqua to Ridgefield (Washington) | 1,963.25 mi (3,159.54 km) |
| Piqua to Ridgefield Park (New Jersey) | 539.02 mi (867.48 km) |
