| Willimantic to Cognac | 3,477.51 mi (5,596.52 km) |
| Willimantic to Cogolin | 3,855.22 mi (6,204.38 km) |
| Willimantic to Colmar | 3,742.38 mi (6,022.78 km) |
| Willimantic to Colombes | 3,504.92 mi (5,640.63 km) |
| Willimantic to Colomiers | 3,610.81 mi (5,811.04 km) |
| Willimantic to Combs-la-Ville | 3,524.46 mi (5,672.06 km) |
| Willimantic to Comines | 3,490.32 mi (5,617.12 km) |
| Willimantic to Compiegne | 3,516.34 mi (5,659.00 km) |
| Willimantic to Concarneau | 3,264.98 mi (5,254.48 km) |
| Willimantic to Conde-sur-l'Escaut | 3,521.91 mi (5,667.96 km) |
| Willimantic to Conflans-Sainte-Honorine | 3,496.51 mi (5,627.08 km) |
| Willimantic to Corbas | 3,708.73 mi (5,968.62 km) |
| Willimantic to Corbeil-Essonnes | 3,522.61 mi (5,669.10 km) |
| Willimantic to Cormeilles-en-Parisis | 3,501.50 mi (5,635.11 km) |
| Willimantic to Cosne sur Loire | 3,573.54 mi (5,751.05 km) |
