| Saint-Omer to Carovigno | 1,013.22 mi (1,630.62 km) |
| Saint-Omer to Carpenedolo | 529.25 mi (851.75 km) |
| Saint-Omer to Carpi | 573.92 mi (923.63 km) |
| Saint-Omer to Carrara | 588.10 mi (946.46 km) |
| Saint-Omer to Carugate | 484.64 mi (779.96 km) |
| Saint-Omer to Casal di Principe | 879.95 mi (1,416.14 km) |
| Saint-Omer to Casale Monferrato | 482.07 mi (775.82 km) |
| Saint-Omer to Casale sul Sile | 583.89 mi (939.68 km) |
| Saint-Omer to Casalecchio di Reno | 602.46 mi (969.57 km) |
| Saint-Omer to Casalgrande | 579.67 mi (932.89 km) |
| Saint-Omer to Casalmaggiore | 548.34 mi (882.46 km) |
| Saint-Omer to Casalnuovo di Napoli | 892.21 mi (1,435.87 km) |
| Saint-Omer to Casalpusterlengo | 514.28 mi (827.66 km) |
| Saint-Omer to Casaluce | 882.93 mi (1,420.94 km) |
| Saint-Omer to Casamassima | 974.35 mi (1,568.06 km) |
