| Willimantic to Coudekerque-Branche | 3,458.78 mi (5,566.36 km) |
| Willimantic to Coueron | 3,376.82 mi (5,434.47 km) |
| Willimantic to Coulommiers | 3,542.75 mi (5,701.51 km) |
| Willimantic to Courbevoic | 3,505.62 mi (5,641.75 km) |
| Willimantic to Courcouronnes | 3,520.13 mi (5,665.10 km) |
| Willimantic to Cournon-d'Auvergne | 3,632.01 mi (5,845.15 km) |
| Willimantic to Courrieres | 3,495.28 mi (5,625.12 km) |
| Willimantic to Coutras | 3,504.23 mi (5,639.52 km) |
| Willimantic to Couzeix | 3,542.07 mi (5,700.42 km) |
| Willimantic to Cran-Gevrier | 3,753.89 mi (6,041.31 km) |
| Willimantic to Craponne | 3,698.66 mi (5,952.41 km) |
| Willimantic to Creil | 3,506.10 mi (5,642.53 km) |
| Willimantic to Crepy-en-Valois | 3,523.65 mi (5,670.77 km) |
| Willimantic to Crest | 3,742.23 mi (6,022.54 km) |
| Willimantic to Creteil | 3,517.21 mi (5,660.41 km) |
