| Piqua to Cesky Tesin | 4,666.34 mi (7,509.76 km) |
| Piqua to Cheb | 4,423.53 mi (7,118.99 km) |
| Piqua to Chocen | 4,568.97 mi (7,353.05 km) |
| Piqua to Chodov | 4,431.47 mi (7,131.76 km) |
| Piqua to Chomutov | 4,448.24 mi (7,158.75 km) |
| Piqua to Chotebor | 4,559.73 mi (7,338.17 km) |
| Piqua to Chrudim | 4,555.32 mi (7,331.08 km) |
| Piqua to Decin | 4,465.12 mi (7,185.92 km) |
| Piqua to Dobris | 4,501.79 mi (7,244.93 km) |
| Piqua to Domazlice | 4,468.27 mi (7,190.99 km) |
| Piqua to Duchcov | 4,455.03 mi (7,169.68 km) |
| Piqua to Dvur Kralove nad Labem | 4,537.12 mi (7,301.78 km) |
| Piqua to Frenstat pod Radhostem | 4,659.41 mi (7,498.60 km) |
| Piqua to Frydek-Mistek | 4,658.88 mi (7,497.74 km) |
| Piqua to Frydlant nad Ostravici | 4,662.99 mi (7,504.36 km) |
