| Halfway to Coudekerque-Branche | 3,776.26 mi (6,077.31 km) |
| Halfway to Coueron | 3,699.87 mi (5,954.36 km) |
| Halfway to Coulommiers | 3,862.91 mi (6,216.75 km) |
| Halfway to Courbevoic | 3,825.95 mi (6,157.27 km) |
| Halfway to Courcouronnes | 3,840.71 mi (6,181.03 km) |
| Halfway to Cournon-d'Auvergne | 3,955.07 mi (6,365.07 km) |
| Halfway to Courrieres | 3,813.39 mi (6,137.05 km) |
| Halfway to Coutras | 3,828.45 mi (6,161.29 km) |
| Halfway to Couzeix | 3,865.49 mi (6,220.91 km) |
| Halfway to Cran-Gevrier | 4,076.04 mi (6,559.76 km) |
| Halfway to Craponne | 4,021.33 mi (6,471.70 km) |
| Halfway to Creil | 3,825.93 mi (6,157.24 km) |
| Halfway to Crepy-en-Valois | 3,843.38 mi (6,185.32 km) |
| Halfway to Crest | 4,065.58 mi (6,542.92 km) |
| Halfway to Creteil | 3,837.60 mi (6,176.02 km) |
