| Opmeer to Coudekerque-Branche | 159.05 mi (255.97 km) |
| Opmeer to Coueron | 480.79 mi (773.76 km) |
| Opmeer to Coulommiers | 280.48 mi (451.40 km) |
| Opmeer to Courbevoic | 287.85 mi (463.24 km) |
| Opmeer to Courcouronnes | 302.45 mi (486.74 km) |
| Opmeer to Cournon-d'Auvergne | 487.16 mi (784.01 km) |
| Opmeer to Courrieres | 177.15 mi (285.10 km) |
| Opmeer to Coutras | 576.99 mi (928.58 km) |
| Opmeer to Couzeix | 500.10 mi (804.84 km) |
| Opmeer to Cran-Gevrier | 472.44 mi (760.32 km) |
| Opmeer to Craponne | 480.63 mi (773.50 km) |
| Opmeer to Creil | 260.85 mi (419.80 km) |
| Opmeer to Crepy-en-Valois | 255.69 mi (411.49 km) |
| Opmeer to Crest | 550.80 mi (886.43 km) |
| Opmeer to Creteil | 291.10 mi (468.48 km) |
