| Piqua to Haaren | 4,161.47 mi (6,697.24 km) |
| Piqua to Hadamar | 4,246.79 mi (6,834.55 km) |
| Piqua to Hagen | 4,194.32 mi (6,750.10 km) |
| Piqua to Hagen im Bremischen | 4,171.27 mi (6,713.00 km) |
| Piqua to Hagenow | 4,260.39 mi (6,856.44 km) |
| Piqua to Haiger | 4,242.69 mi (6,827.95 km) |
| Piqua to Haigerloch | 4,348.82 mi (6,998.75 km) |
| Piqua to Hainichen | 4,418.54 mi (7,110.96 km) |
| Piqua to Halberstadt | 4,308.76 mi (6,934.28 km) |
| Piqua to Haldensleben | 4,308.54 mi (6,933.92 km) |
| Piqua to Hallbergmoos | 4,464.82 mi (7,185.43 km) |
| Piqua to Halle | 4,204.02 mi (6,765.71 km) |
| Piqua to Halle | 4,357.35 mi (7,012.48 km) |
| Piqua to Halle-Neustadt | 4,355.72 mi (7,009.86 km) |
| Piqua to Hallstadt | 4,372.84 mi (7,037.41 km) |
