| West Islip to Cabestany | 3,794.82 mi (6,107.16 km) |
| West Islip to Cabries | 3,882.00 mi (6,247.47 km) |
| West Islip to Cachan | 3,598.18 mi (5,790.71 km) |
| West Islip to Caen | 3,474.05 mi (5,590.94 km) |
| West Islip to Cagnes-sur-Mer | 3,954.03 mi (6,363.40 km) |
| West Islip to Cahors | 3,675.13 mi (5,914.55 km) |
| West Islip to Calais | 3,526.21 mi (5,674.89 km) |
| West Islip to Caluire-et-Cuire | 3,787.90 mi (6,096.04 km) |
| West Islip to Cambrai | 3,601.44 mi (5,795.96 km) |
| West Islip to Canet-en-Roussillon | 3,797.00 mi (6,110.69 km) |
| West Islip to Cannes | 3,951.56 mi (6,359.42 km) |
| West Islip to Canteleu | 3,527.23 mi (5,676.53 km) |
| West Islip to Capbreton | 3,566.69 mi (5,740.03 km) |
| West Islip to Carcassonne | 3,751.98 mi (6,038.23 km) |
| West Islip to Carmaux | 3,718.82 mi (5,984.87 km) |
