| Piqua to Grand Junction (Colorado) | 1,292.58 mi (2,080.21 km) |
| Piqua to Grand Prairie (Texas) | 876.32 mi (1,410.30 km) |
| Piqua to Grand Rapids (Michigan) | 207.50 mi (333.94 km) |
| Piqua to Grand Rapids (Minnesota) | 673.70 mi (1,084.21 km) |
| Piqua to Grand Terrace (California) | 1,859.53 mi (2,992.62 km) |
| Piqua to Grandview (Missouri) | 554.53 mi (892.43 km) |
| Piqua to Grandview (Washington) | 1,828.60 mi (2,942.84 km) |
| Piqua to Grandville (Michigan) | 205.46 mi (330.65 km) |
| Piqua to Granger (Indiana) | 147.49 mi (237.37 km) |
| Piqua to Granite Bay (California) | 1,958.13 mi (3,151.31 km) |
| Piqua to Granite City (Illinois) | 328.82 mi (529.19 km) |
| Piqua to Grants Pass (Oregon) | 2,017.36 mi (3,246.63 km) |
| Piqua to Grantsville (Utah) | 1,479.90 mi (2,381.66 km) |
| Piqua to Grapevine (Texas) | 867.93 mi (1,396.80 km) |
| Piqua to Grass Valley (California) | 1,944.05 mi (3,128.64 km) |
