| Piqua to Groveton (Virginia) | 393.02 mi (632.50 km) |
| Piqua to Grovetown (Georgia) | 476.42 mi (766.73 km) |
| Piqua to Guayama (Puerto Rico) | 1,875.00 mi (3,017.53 km) |
| Piqua to Guaynabo (Puerto Rico) | 1,850.85 mi (2,978.65 km) |
| Piqua to Gulf Shores (Alabama) | 709.44 mi (1,141.74 km) |
| Piqua to Gulfport (Florida) | 861.51 mi (1,386.47 km) |
| Piqua to Gulfport (Mississippi) | 724.54 mi (1,166.03 km) |
| Piqua to Gunbarrel (Colorado) | 1,103.36 mi (1,775.68 km) |
| Piqua to Gurnee (Illinois) | 245.65 mi (395.33 km) |
| Piqua to Guthrie (Oklahoma) | 776.55 mi (1,249.74 km) |
| Piqua to Guttenberg (New Jersey) | 539.70 mi (868.56 km) |
| Piqua to Guymon (Oklahoma) | 961.31 mi (1,547.09 km) |
| Piqua to Hacienda Heights (California) | 1,895.25 mi (3,050.11 km) |
| Piqua to Hackensack (New Jersey) | 537.74 mi (865.42 km) |
| Piqua to Hackettstown (New Jersey) | 496.95 mi (799.77 km) |
