| Willimantic to Carmona | 3,467.53 mi (5,580.45 km) |
| Willimantic to Cartagena | 3,689.11 mi (5,937.04 km) |
| Willimantic to Cartama | 3,540.59 mi (5,698.02 km) |
| Willimantic to Cartaya | 3,398.87 mi (5,469.95 km) |
| Willimantic to Caspe | 3,619.10 mi (5,824.38 km) |
| Willimantic to Cassa de la Selva | 3,733.23 mi (6,008.06 km) |
| Willimantic to Castalla | 3,671.67 mi (5,908.98 km) |
| Willimantic to Castellbisbal | 3,705.10 mi (5,962.78 km) |
| Willimantic to Castelldefels | 3,711.00 mi (5,972.28 km) |
| Willimantic to Castello de Ampurias | 3,730.87 mi (6,004.26 km) |
| Willimantic to Castellon de la Plana | 3,657.84 mi (5,886.73 km) |
| Willimantic to Castilleja de la Cuesta | 3,449.74 mi (5,551.82 km) |
| Willimantic to Catarroja | 3,658.60 mi (5,887.95 km) |
| Willimantic to Catral | 3,679.37 mi (5,921.38 km) |
| Willimantic to Caudete | 3,653.05 mi (5,879.02 km) |
