| East Islip to Cehegin | 3,706.11 mi (5,964.41 km) |
| East Islip to Cervello | 3,782.72 mi (6,087.70 km) |
| East Islip to Cervera | 3,742.58 mi (6,023.10 km) |
| East Islip to Ceuti | 3,732.06 mi (6,006.18 km) |
| East Islip to Cheste | 3,716.79 mi (5,981.59 km) |
| East Islip to Chiclana de la Frontera | 3,544.46 mi (5,704.25 km) |
| East Islip to Chipiona | 3,520.64 mi (5,665.92 km) |
| East Islip to Chiva | 3,715.35 mi (5,979.29 km) |
| East Islip to Churriana de la Vega | 3,645.21 mi (5,866.40 km) |
| East Islip to Ciempozuelos | 3,556.09 mi (5,722.98 km) |
| East Islip to Cieza | 3,719.93 mi (5,986.65 km) |
| East Islip to Cisterniga | 3,464.27 mi (5,575.20 km) |
| East Islip to Ciudad de Melilla | 3,739.72 mi (6,018.50 km) |
| East Islip to Ciudad Real | 3,576.25 mi (5,755.42 km) |
| East Islip to Ciudad-Rodrigo | 3,403.39 mi (5,477.22 km) |
