| Willimantic to Cadiz | 3,464.30 mi (5,575.26 km) |
| Willimantic to Calafell | 3,694.63 mi (5,945.93 km) |
| Willimantic to Calahorra | 3,497.47 mi (5,628.64 km) |
| Willimantic to Calasparra | 3,634.10 mi (5,848.51 km) |
| Willimantic to Calatayud | 3,540.83 mi (5,698.42 km) |
| Willimantic to Caldas de Montbuy | 3,708.78 mi (5,968.70 km) |
| Willimantic to Caldas de Reyes | 3,176.53 mi (5,112.13 km) |
| Willimantic to Calella | 3,732.14 mi (6,006.30 km) |
| Willimantic to Callosa de Segura | 3,676.99 mi (5,917.54 km) |
| Willimantic to Calpe | 3,704.23 mi (5,961.38 km) |
| Willimantic to Calvia | 3,790.62 mi (6,100.41 km) |
| Willimantic to Camas | 3,449.98 mi (5,552.20 km) |
| Willimantic to Cambados | 3,171.50 mi (5,104.03 km) |
| Willimantic to Cambre | 3,173.77 mi (5,107.70 km) |
| Willimantic to Cambrils | 3,674.97 mi (5,914.29 km) |
