| Onalaska to Coudekerque-Branche | 4,097.45 mi (6,594.21 km) |
| Onalaska to Coueron | 4,085.02 mi (6,574.21 km) |
| Onalaska to Coulommiers | 4,208.26 mi (6,772.53 km) |
| Onalaska to Courbevoic | 4,173.90 mi (6,717.25 km) |
| Onalaska to Courcouronnes | 4,191.20 mi (6,745.09 km) |
| Onalaska to Cournon-d'Auvergne | 4,335.55 mi (6,977.40 km) |
| Onalaska to Courrieres | 4,139.34 mi (6,661.63 km) |
| Onalaska to Coutras | 4,232.06 mi (6,810.84 km) |
| Onalaska to Couzeix | 4,253.43 mi (6,845.23 km) |
| Onalaska to Cran-Gevrier | 4,440.97 mi (7,147.06 km) |
| Onalaska to Craponne | 4,394.61 mi (7,072.44 km) |
| Onalaska to Creil | 4,168.54 mi (6,708.62 km) |
| Onalaska to Crepy-en-Valois | 4,184.54 mi (6,734.36 km) |
| Onalaska to Crest | 4,448.61 mi (7,159.34 km) |
| Onalaska to Creteil | 4,185.93 mi (6,736.61 km) |
