| Willimantic to Castelletto sopra Ticino | 3,868.62 mi (6,225.95 km) |
| Willimantic to Castelli Calepio | 3,925.49 mi (6,317.46 km) |
| Willimantic to Castelnovo ne' Monti | 3,986.40 mi (6,415.49 km) |
| Willimantic to Castelnuovo Berardenga | 4,071.15 mi (6,551.88 km) |
| Willimantic to Castelnuovo di Porto | 4,157.26 mi (6,690.47 km) |
| Willimantic to Castelnuovo di Verona | 3,968.98 mi (6,387.46 km) |
| Willimantic to Castelnuovo Rangone | 4,005.49 mi (6,446.22 km) |
| Willimantic to Castelvetrano | 4,334.02 mi (6,974.94 km) |
| Willimantic to Castelvetro di Modena | 4,007.89 mi (6,450.08 km) |
| Willimantic to Castenaso | 4,029.95 mi (6,485.59 km) |
| Willimantic to Castenedolo | 3,947.72 mi (6,353.24 km) |
| Willimantic to Castiglion Fiorentino | 4,089.30 mi (6,581.09 km) |
| Willimantic to Castiglione del Lago | 4,102.05 mi (6,601.60 km) |
| Willimantic to Castiglione delle Stiviere | 3,958.70 mi (6,370.92 km) |
| Willimantic to Castrolibero | 4,425.17 mi (7,121.62 km) |
