| Keystone to Cervignano del Friuli | 5,117.15 mi (8,235.26 km) |
| Keystone to Cesa | 5,300.10 mi (8,529.68 km) |
| Keystone to Cesano Maderno | 4,936.18 mi (7,944.01 km) |
| Keystone to Cesena | 5,115.93 mi (8,233.30 km) |
| Keystone to Cesenatico | 5,121.01 mi (8,241.47 km) |
| Keystone to Cetraro | 5,426.36 mi (8,732.89 km) |
| Keystone to Cherasco | 4,902.80 mi (7,890.29 km) |
| Keystone to Chiampo | 5,033.93 mi (8,101.33 km) |
| Keystone to Chiaravalle | 5,180.70 mi (8,337.53 km) |
| Keystone to Chiari | 4,972.15 mi (8,001.90 km) |
| Keystone to Chiavari | 4,978.49 mi (8,012.11 km) |
| Keystone to Chieri | 4,891.74 mi (7,872.50 km) |
| Keystone to Chieti | 5,255.53 mi (8,457.96 km) |
| Keystone to Chioggia | 5,087.34 mi (8,187.28 km) |
| Keystone to Chiusi | 5,134.01 mi (8,262.39 km) |
