| Saint-Omer to Colchester | 98.38 mi (158.32 km) |
| Saint-Omer to Coleford | 222.74 mi (358.47 km) |
| Saint-Omer to Colne | 284.88 mi (458.48 km) |
| Saint-Omer to Colwyn Bay | 308.19 mi (495.98 km) |
| Saint-Omer to Congleton | 253.23 mi (407.53 km) |
| Saint-Omer to Conisbrough | 239.73 mi (385.80 km) |
| Saint-Omer to Connahs Quay | 283.30 mi (455.92 km) |
| Saint-Omer to Consett | 330.81 mi (532.38 km) |
| Saint-Omer to Conwy | 312.38 mi (502.72 km) |
| Saint-Omer to Cookstown | 462.86 mi (744.90 km) |
| Saint-Omer to Corby | 174.88 mi (281.44 km) |
| Saint-Omer to Corfe Mullen | 186.97 mi (300.90 km) |
| Saint-Omer to Corsham | 198.63 mi (319.66 km) |
| Saint-Omer to Coseley | 223.94 mi (360.39 km) |
| Saint-Omer to Cosham | 145.43 mi (234.04 km) |
