| Gretna to Cervignano del Friuli | 5,349.34 mi (8,608.92 km) |
| Gretna to Cesa | 5,560.51 mi (8,948.78 km) |
| Gretna to Cesano Maderno | 5,178.91 mi (8,334.66 km) |
| Gretna to Cesena | 5,361.47 mi (8,628.45 km) |
| Gretna to Cesenatico | 5,365.81 mi (8,635.43 km) |
| Gretna to Cetraro | 5,691.13 mi (9,158.99 km) |
| Gretna to Cherasco | 5,154.67 mi (8,295.64 km) |
| Gretna to Chiampo | 5,272.56 mi (8,485.36 km) |
| Gretna to Chiaravalle | 5,427.08 mi (8,734.04 km) |
| Gretna to Chiari | 5,214.04 mi (8,391.19 km) |
| Gretna to Chiavari | 5,229.42 mi (8,415.93 km) |
| Gretna to Chieri | 5,141.32 mi (8,274.15 km) |
| Gretna to Chieti | 5,507.67 mi (8,863.74 km) |
| Gretna to Chioggia | 5,325.86 mi (8,571.14 km) |
| Gretna to Chiusi | 5,387.33 mi (8,670.07 km) |
