| Os to Cervignano del Friuli | 1,045.68 mi (1,682.86 km) |
| Os to Cesa | 1,382.26 mi (2,224.53 km) |
| Os to Cesano Maderno | 1,019.62 mi (1,640.93 km) |
| Os to Cesena | 1,146.52 mi (1,845.15 km) |
| Os to Cesenatico | 1,143.93 mi (1,840.98 km) |
| Os to Cetraro | 1,501.88 mi (2,417.05 km) |
| Os to Cherasco | 1,080.78 mi (1,739.35 km) |
| Os to Chiampo | 1,041.60 mi (1,676.29 km) |
| Os to Chiaravalle | 1,194.63 mi (1,922.57 km) |
| Os to Chiari | 1,032.09 mi (1,660.99 km) |
| Os to Chiavari | 1,110.85 mi (1,787.75 km) |
| Os to Chieri | 1,055.55 mi (1,698.74 km) |
| Os to Chieti | 1,288.41 mi (2,073.49 km) |
| Os to Chioggia | 1,073.91 mi (1,728.29 km) |
| Os to Chiusi | 1,219.71 mi (1,962.93 km) |
