| Gahanna to Cesky Tesin | 4,622.67 mi (7,439.48 km) |
| Gahanna to Cheb | 4,377.67 mi (7,045.17 km) |
| Gahanna to Chocen | 4,524.54 mi (7,281.55 km) |
| Gahanna to Chodov | 4,385.90 mi (7,058.42 km) |
| Gahanna to Chomutov | 4,403.13 mi (7,086.16 km) |
| Gahanna to Chotebor | 4,514.82 mi (7,265.89 km) |
| Gahanna to Chrudim | 4,510.67 mi (7,259.23 km) |
| Gahanna to Decin | 4,420.61 mi (7,114.29 km) |
| Gahanna to Dobris | 4,456.33 mi (7,171.77 km) |
| Gahanna to Domazlice | 4,422.01 mi (7,116.54 km) |
| Gahanna to Duchcov | 4,410.19 mi (7,097.51 km) |
| Gahanna to Dvur Kralove nad Labem | 4,492.92 mi (7,230.66 km) |
| Gahanna to Frenstat pod Radhostem | 4,615.39 mi (7,427.75 km) |
| Gahanna to Frydek-Mistek | 4,615.04 mi (7,427.19 km) |
| Gahanna to Frydlant nad Ostravici | 4,619.07 mi (7,433.67 km) |
