| Calais to Cologno al Serio | 516.70 mi (831.54 km) |
| Calais to Cologno Monzese | 506.32 mi (814.84 km) |
| Calais to Colorno | 572.40 mi (921.19 km) |
| Calais to Comacchio | 643.79 mi (1,036.08 km) |
| Calais to Comiso | 1,152.77 mi (1,855.21 km) |
| Calais to Como | 485.45 mi (781.25 km) |
| Calais to Concordia Sagittaria | 617.78 mi (994.21 km) |
| Calais to Concorezzo | 504.87 mi (812.51 km) |
| Calais to Conegliano | 592.00 mi (952.73 km) |
| Calais to Conselice | 641.16 mi (1,031.84 km) |
| Calais to Conselve | 606.80 mi (976.55 km) |
| Calais to Conversano | 1,002.76 mi (1,613.79 km) |
| Calais to Copertino | 1,071.40 mi (1,724.25 km) |
| Calais to Copparo | 621.92 mi (1,000.88 km) |
| Calais to Corato | 968.67 mi (1,558.93 km) |
