| Saint-Omer to Castelli Calepio | 498.22 mi (801.80 km) |
| Saint-Omer to Castelnovo ne' Monti | 577.43 mi (929.28 km) |
| Saint-Omer to Castelnuovo Berardenga | 670.42 mi (1,078.94 km) |
| Saint-Omer to Castelnuovo di Porto | 767.93 mi (1,235.86 km) |
| Saint-Omer to Castelnuovo di Verona | 536.92 mi (864.08 km) |
| Saint-Omer to Castelnuovo Rangone | 587.75 mi (945.90 km) |
| Saint-Omer to Castelvetrano | 1,040.19 mi (1,674.02 km) |
| Saint-Omer to Castelvetro di Modena | 590.93 mi (951.00 km) |
| Saint-Omer to Castenaso | 607.17 mi (977.14 km) |
| Saint-Omer to Castenedolo | 519.46 mi (835.99 km) |
| Saint-Omer to Castiglion Fiorentino | 683.33 mi (1,099.72 km) |
| Saint-Omer to Castiglione del Lago | 698.51 mi (1,124.14 km) |
| Saint-Omer to Castiglione delle Stiviere | 529.72 mi (852.50 km) |
| Saint-Omer to Castrolibero | 1,039.13 mi (1,672.33 km) |
| Saint-Omer to Castrovillari | 1,011.38 mi (1,627.65 km) |
