| Willimantic to Collegno | 3,843.01 mi (6,184.73 km) |
| Willimantic to Cologno al Serio | 3,918.56 mi (6,306.31 km) |
| Willimantic to Cologno Monzese | 3,902.27 mi (6,280.10 km) |
| Willimantic to Colorno | 3,969.08 mi (6,387.62 km) |
| Willimantic to Comacchio | 4,054.01 mi (6,524.31 km) |
| Willimantic to Comiso | 4,444.73 mi (7,153.11 km) |
| Willimantic to Como | 3,885.04 mi (6,252.37 km) |
| Willimantic to Concordia Sagittaria | 4,046.00 mi (6,511.41 km) |
| Willimantic to Concorezzo | 3,902.78 mi (6,280.91 km) |
| Willimantic to Conegliano | 4,018.73 mi (6,467.52 km) |
| Willimantic to Conselice | 4,045.28 mi (6,510.25 km) |
| Willimantic to Conselve | 4,022.46 mi (6,473.52 km) |
| Willimantic to Conversano | 4,402.03 mi (7,084.38 km) |
| Willimantic to Copertino | 4,469.65 mi (7,193.21 km) |
| Willimantic to Copparo | 4,032.28 mi (6,489.33 km) |
