| West Islip to Cesky Tesin | 4,230.60 mi (6,808.50 km) |
| West Islip to Cheb | 3,974.64 mi (6,396.56 km) |
| West Islip to Chocen | 4,128.73 mi (6,644.55 km) |
| West Islip to Chodov | 3,984.45 mi (6,412.36 km) |
| West Islip to Chomutov | 4,004.17 mi (6,444.09 km) |
| West Islip to Chotebor | 4,116.39 mi (6,624.69 km) |
| West Islip to Chrudim | 4,113.72 mi (6,620.39 km) |
| West Islip to Decin | 4,024.87 mi (6,477.40 km) |
| West Islip to Dobris | 4,055.20 mi (6,526.21 km) |
| West Islip to Domazlice | 4,016.66 mi (6,464.19 km) |
| West Islip to Duchcov | 4,012.64 mi (6,457.72 km) |
| West Islip to Dvur Kralove nad Labem | 4,098.57 mi (6,596.01 km) |
| West Islip to Frenstat pod Radhostem | 4,221.39 mi (6,793.67 km) |
| West Islip to Frydek-Mistek | 4,222.06 mi (6,794.74 km) |
| West Islip to Frydlant nad Ostravici | 4,225.62 mi (6,800.48 km) |
