| Saint-Omer to Catania | 1,111.33 mi (1,788.51 km) |
| Saint-Omer to Catanzaro | 1,075.03 mi (1,730.10 km) |
| Saint-Omer to Cattolica | 676.89 mi (1,089.35 km) |
| Saint-Omer to Cava de' Tirreni | 915.12 mi (1,472.75 km) |
| Saint-Omer to Cavallino | 1,051.62 mi (1,692.42 km) |
| Saint-Omer to Cavarzere | 596.55 mi (960.06 km) |
| Saint-Omer to Cave | 798.68 mi (1,285.35 km) |
| Saint-Omer to Cavriago | 567.19 mi (912.80 km) |
| Saint-Omer to Cavriglia | 660.48 mi (1,062.95 km) |
| Saint-Omer to Cazzago San Martino | 504.94 mi (812.62 km) |
| Saint-Omer to Ceccano | 824.77 mi (1,327.35 km) |
| Saint-Omer to Cecina | 643.22 mi (1,035.16 km) |
| Saint-Omer to Cefalu | 1,050.11 mi (1,690.00 km) |
| Saint-Omer to Ceglie Messapico | 1,010.03 mi (1,625.49 km) |
| Saint-Omer to Celano | 803.03 mi (1,292.35 km) |
