| Gahanna to Chojnice | 4,430.79 mi (7,130.67 km) |
| Gahanna to Chojnow | 4,465.76 mi (7,186.94 km) |
| Gahanna to Chorzow | 4,612.27 mi (7,422.73 km) |
| Gahanna to Choszczno | 4,376.65 mi (7,043.54 km) |
| Gahanna to Chrzanow | 4,635.16 mi (7,459.56 km) |
| Gahanna to Ciechanow | 4,568.42 mi (7,352.17 km) |
| Gahanna to Ciechocinek | 4,504.48 mi (7,249.27 km) |
| Gahanna to Cieszyn | 4,622.78 mi (7,439.65 km) |
| Gahanna to Czarna Bialostocka | 4,639.40 mi (7,466.39 km) |
| Gahanna to Czarnkow | 4,426.86 mi (7,124.35 km) |
| Gahanna to Czechowice-Dziedzice | 4,629.80 mi (7,450.94 km) |
| Gahanna to Czeladz | 4,615.73 mi (7,428.31 km) |
| Gahanna to Czersk Pomorski | 4,441.75 mi (7,148.31 km) |
| Gahanna to Czestochowa | 4,598.28 mi (7,400.22 km) |
| Gahanna to Czluchow | 4,425.77 mi (7,122.58 km) |
