| West Springfield to Castelfidardo | 4,488.55 mi (7,223.62 km) |
| West Springfield to Castelfiorentino | 4,371.92 mi (7,035.92 km) |
| West Springfield to Castelfranco di Sopra | 4,396.90 mi (7,076.12 km) |
| West Springfield to Castelfranco di Sotto | 4,359.09 mi (7,015.27 km) |
| West Springfield to Castelfranco Emilia | 4,342.20 mi (6,988.09 km) |
| West Springfield to Castelfranco Veneto | 4,344.10 mi (6,991.16 km) |
| West Springfield to Castellabate | 4,665.51 mi (7,508.41 km) |
| West Springfield to Castellammare del Golfo | 4,655.32 mi (7,492.02 km) |
| West Springfield to Castellammare di Stabia | 4,629.16 mi (7,449.92 km) |
| West Springfield to Castellamonte | 4,172.50 mi (6,714.99 km) |
| West Springfield to Castellana Grotte | 4,740.26 mi (7,628.71 km) |
| West Springfield to Castellaneta | 4,739.56 mi (7,627.59 km) |
| West Springfield to Castellanza | 4,216.41 mi (6,785.66 km) |
| West Springfield to Castellarano | 4,331.57 mi (6,970.99 km) |
| West Springfield to Castelleone | 4,263.66 mi (6,861.69 km) |
