| West Islip to Castrovillari | 4,490.61 mi (7,226.93 km) |
| West Islip to Catania | 4,528.85 mi (7,288.48 km) |
| West Islip to Catanzaro | 4,543.38 mi (7,311.86 km) |
| West Islip to Cattolica | 4,188.71 mi (6,741.08 km) |
| West Islip to Cava de' Tirreni | 4,391.08 mi (7,066.76 km) |
| West Islip to Cavallino | 4,559.60 mi (7,337.96 km) |
| West Islip to Cavarzere | 4,121.13 mi (6,632.31 km) |
| West Islip to Cave | 4,272.51 mi (6,875.94 km) |
| West Islip to Cavriago | 4,069.07 mi (6,548.53 km) |
| West Islip to Cavriglia | 4,149.81 mi (6,678.47 km) |
| West Islip to Cazzago San Martino | 4,018.66 mi (6,467.41 km) |
| West Islip to Ceccano | 4,299.10 mi (6,918.73 km) |
| West Islip to Cecina | 4,114.22 mi (6,621.19 km) |
| West Islip to Cefalu | 4,459.61 mi (7,177.05 km) |
| West Islip to Ceglie Messapico | 4,516.22 mi (7,268.15 km) |
