| West Springfield to Castelletto sopra Ticino | 4,201.80 mi (6,762.14 km) |
| West Springfield to Castelli Calepio | 4,258.74 mi (6,853.78 km) |
| West Springfield to Castelnovo ne' Monti | 4,319.42 mi (6,951.43 km) |
| West Springfield to Castelnuovo Berardenga | 4,403.97 mi (7,087.51 km) |
| West Springfield to Castelnuovo di Porto | 4,489.79 mi (7,225.62 km) |
| West Springfield to Castelnuovo di Verona | 4,302.26 mi (6,923.81 km) |
| West Springfield to Castelnuovo Rangone | 4,338.60 mi (6,982.30 km) |
| West Springfield to Castelvetrano | 4,664.00 mi (7,505.99 km) |
| West Springfield to Castelvetro di Modena | 4,340.99 mi (6,986.14 km) |
| West Springfield to Castenaso | 4,363.10 mi (7,021.73 km) |
| West Springfield to Castenedolo | 4,280.97 mi (6,889.55 km) |
| West Springfield to Castiglion Fiorentino | 4,422.17 mi (7,116.80 km) |
| West Springfield to Castiglione del Lago | 4,434.88 mi (7,137.24 km) |
| West Springfield to Castiglione delle Stiviere | 4,291.95 mi (6,907.23 km) |
| West Springfield to Castrolibero | 4,757.24 mi (7,656.04 km) |
