| Gahanna to Castrovillari | 4,932.44 mi (7,938.00 km) |
| Gahanna to Catania | 4,981.28 mi (8,016.59 km) |
| Gahanna to Catanzaro | 4,987.81 mi (8,027.11 km) |
| Gahanna to Cattolica | 4,620.66 mi (7,436.24 km) |
| Gahanna to Cava de' Tirreni | 4,832.56 mi (7,777.25 km) |
| Gahanna to Cavallino | 4,995.33 mi (8,039.20 km) |
| Gahanna to Cavarzere | 4,549.15 mi (7,321.15 km) |
| Gahanna to Cave | 4,713.06 mi (7,584.93 km) |
| Gahanna to Cavriago | 4,501.98 mi (7,245.24 km) |
| Gahanna to Cavriglia | 4,586.10 mi (7,380.61 km) |
| Gahanna to Cazzago San Martino | 4,448.52 mi (7,159.21 km) |
| Gahanna to Ceccano | 4,739.87 mi (7,628.08 km) |
| Gahanna to Cecina | 4,553.16 mi (7,327.61 km) |
| Gahanna to Cefalu | 4,912.25 mi (7,905.51 km) |
| Gahanna to Ceglie Messapico | 4,952.14 mi (7,969.69 km) |
