| Saint-Omer to Clay Cross | 228.68 mi (368.02 km) |
| Saint-Omer to Clayton | 271.23 mi (436.51 km) |
| Saint-Omer to Clayton le Moors | 286.79 mi (461.54 km) |
| Saint-Omer to Cleckheaton | 265.73 mi (427.65 km) |
| Saint-Omer to Cleethorpes | 216.59 mi (348.57 km) |
| Saint-Omer to Clevedon | 226.96 mi (365.26 km) |
| Saint-Omer to Clifton | 209.09 mi (336.49 km) |
| Saint-Omer to Clifton | 263.94 mi (424.77 km) |
| Saint-Omer to Cliftonville | 57.76 mi (92.95 km) |
| Saint-Omer to Clitheroe | 291.73 mi (469.50 km) |
| Saint-Omer to Clydebank | 449.31 mi (723.09 km) |
| Saint-Omer to Coalville | 206.73 mi (332.70 km) |
| Saint-Omer to Coatbridge | 438.08 mi (705.03 km) |
| Saint-Omer to Cobham | 122.73 mi (197.51 km) |
| Saint-Omer to Cockermouth | 358.26 mi (576.56 km) |
