| Gahanna to Cervignano del Friuli | 4,573.65 mi (7,360.57 km) |
| Gahanna to Cesa | 4,801.99 mi (7,728.06 km) |
| Gahanna to Cesano Maderno | 4,410.56 mi (7,098.11 km) |
| Gahanna to Cesena | 4,593.87 mi (7,393.12 km) |
| Gahanna to Cesenatico | 4,597.71 mi (7,399.30 km) |
| Gahanna to Cetraro | 4,935.01 mi (7,942.13 km) |
| Gahanna to Cherasco | 4,392.61 mi (7,069.22 km) |
| Gahanna to Chiampo | 4,501.09 mi (7,243.81 km) |
| Gahanna to Chiaravalle | 4,659.66 mi (7,499.00 km) |
| Gahanna to Chiari | 4,444.94 mi (7,153.44 km) |
| Gahanna to Chiavari | 4,466.22 mi (7,187.69 km) |
| Gahanna to Chieri | 4,377.74 mi (7,045.30 km) |
| Gahanna to Chieti | 4,743.63 mi (7,634.13 km) |
| Gahanna to Chioggia | 4,554.04 mi (7,329.02 km) |
| Gahanna to Chiusi | 4,624.82 mi (7,442.92 km) |
