| Piqua to Hohenhameln | 4,260.12 mi (6,856.00 km) |
| Piqua to Hohenkirchen-Siegertsbrunn | 4,476.01 mi (7,203.45 km) |
| Piqua to Hohenmolsen | 4,373.91 mi (7,039.12 km) |
| Piqua to Hohenstein-Ernstthal | 4,409.78 mi (7,096.85 km) |
| Piqua to Hohr-Grenzhausen | 4,232.79 mi (6,812.02 km) |
| Piqua to Holzgerlingen | 4,347.13 mi (6,996.02 km) |
| Piqua to Holzkirchen | 4,479.72 mi (7,209.41 km) |
| Piqua to Holzminden | 4,252.18 mi (6,843.22 km) |
| Piqua to Holzwickede | 4,194.91 mi (6,751.05 km) |
| Piqua to Homburg | 4,257.83 mi (6,852.31 km) |
| Piqua to Hoppegarten | 4,380.99 mi (7,050.53 km) |
| Piqua to Horb am Neckar | 4,341.48 mi (6,986.93 km) |
| Piqua to Horn-Bad Meinberg | 4,232.49 mi (6,811.53 km) |
| Piqua to Horstel | 4,167.36 mi (6,706.72 km) |
| Piqua to Hosbach | 4,306.36 mi (6,930.42 km) |
