| West Islip to Casamassima | 4,479.34 mi (7,208.80 km) |
| West Islip to Casandrino | 4,362.58 mi (7,020.89 km) |
| West Islip to Casapulla | 4,359.19 mi (7,015.43 km) |
| West Islip to Casarano | 4,569.73 mi (7,354.27 km) |
| West Islip to Casatenovo | 3,984.32 mi (6,412.15 km) |
| West Islip to Casciana Terme | 4,111.63 mi (6,617.03 km) |
| West Islip to Cascina | 4,103.42 mi (6,603.81 km) |
| West Islip to Caselle Torinese | 3,928.58 mi (6,322.44 km) |
| West Islip to Caserta | 4,361.40 mi (7,018.99 km) |
| West Islip to Casier | 4,113.33 mi (6,619.77 km) |
| West Islip to Casorate Primo | 3,983.66 mi (6,411.09 km) |
| West Islip to Casoria | 4,366.01 mi (7,026.42 km) |
| West Islip to Cassano al Ionio | 4,497.05 mi (7,237.30 km) |
| West Islip to Cassano d'Adda | 3,998.35 mi (6,434.72 km) |
| West Islip to Cassano delle Murge | 4,475.29 mi (7,202.29 km) |
