| West Islip to Castelfidardo | 4,241.24 mi (6,825.62 km) |
| West Islip to Castelfiorentino | 4,124.43 mi (6,637.63 km) |
| West Islip to Castelfranco di Sopra | 4,149.46 mi (6,677.90 km) |
| West Islip to Castelfranco di Sotto | 4,111.60 mi (6,616.99 km) |
| West Islip to Castelfranco Emilia | 4,094.92 mi (6,590.13 km) |
| West Islip to Castelfranco Veneto | 4,097.24 mi (6,593.87 km) |
| West Islip to Castellabate | 4,417.87 mi (7,109.87 km) |
| West Islip to Castellammare del Golfo | 4,407.88 mi (7,093.79 km) |
| West Islip to Castellammare di Stabia | 4,381.53 mi (7,051.39 km) |
| West Islip to Castellamonte | 3,925.12 mi (6,316.87 km) |
| West Islip to Castellana Grotte | 4,492.78 mi (7,230.44 km) |
| West Islip to Castellaneta | 4,492.04 mi (7,229.24 km) |
| West Islip to Castellanza | 3,969.19 mi (6,387.79 km) |
| West Islip to Castellarano | 4,084.26 mi (6,572.98 km) |
| West Islip to Castelleone | 4,016.43 mi (6,463.82 km) |
