| Sem to Coudekerque-Branche | 649.67 mi (1,045.54 km) |
| Sem to Coueron | 967.73 mi (1,557.41 km) |
| Sem to Coulommiers | 779.33 mi (1,254.20 km) |
| Sem to Courbevoic | 787.08 mi (1,266.68 km) |
| Sem to Courcouronnes | 801.90 mi (1,290.54 km) |
| Sem to Cournon-d'Auvergne | 980.86 mi (1,578.55 km) |
| Sem to Courrieres | 675.50 mi (1,087.11 km) |
| Sem to Coutras | 1,076.04 mi (1,731.72 km) |
| Sem to Couzeix | 999.48 mi (1,608.51 km) |
| Sem to Cran-Gevrier | 940.55 mi (1,513.66 km) |
| Sem to Craponne | 963.51 mi (1,550.61 km) |
| Sem to Creil | 760.09 mi (1,223.24 km) |
| Sem to Crepy-en-Valois | 755.12 mi (1,215.24 km) |
| Sem to Crest | 1,029.59 mi (1,656.96 km) |
| Sem to Creteil | 790.55 mi (1,272.27 km) |
