| Saint-Omer to Cosenza | 1,041.64 mi (1,676.36 km) |
| Saint-Omer to Cossato | 449.44 mi (723.30 km) |
| Saint-Omer to Costa Volpino | 494.78 mi (796.27 km) |
| Saint-Omer to Creazzo | 556.62 mi (895.80 km) |
| Saint-Omer to Crema | 505.23 mi (813.09 km) |
| Saint-Omer to Cremona | 528.53 mi (850.58 km) |
| Saint-Omer to Crevalcore | 586.01 mi (943.09 km) |
| Saint-Omer to Crispiano | 1,003.47 mi (1,614.94 km) |
| Saint-Omer to Crosia | 1,043.37 mi (1,679.14 km) |
| Saint-Omer to Crotone | 1,081.28 mi (1,740.16 km) |
| Saint-Omer to Cuneo | 503.88 mi (810.92 km) |
| Saint-Omer to Cuorgne | 445.81 mi (717.47 km) |
| Saint-Omer to Cusano Milanino | 480.04 mi (772.55 km) |
| Saint-Omer to Cutro | 1,079.76 mi (1,737.71 km) |
| Saint-Omer to Cutrofiano | 1,062.02 mi (1,709.15 km) |
