| East Islip to Coudekerque-Branche | 3,540.97 mi (5,698.64 km) |
| East Islip to Coueron | 3,456.28 mi (5,562.35 km) |
| East Islip to Coulommiers | 3,623.91 mi (5,832.12 km) |
| East Islip to Courbevoic | 3,586.71 mi (5,772.25 km) |
| East Islip to Courcouronnes | 3,601.09 mi (5,795.40 km) |
| East Islip to Cournon-d'Auvergne | 3,711.42 mi (5,972.95 km) |
| East Islip to Courrieres | 3,577.27 mi (5,757.05 km) |
| East Islip to Coutras | 3,582.52 mi (5,765.50 km) |
| East Islip to Couzeix | 3,621.19 mi (5,827.74 km) |
| East Islip to Cran-Gevrier | 3,833.95 mi (6,170.15 km) |
| East Islip to Craponne | 3,778.36 mi (6,080.69 km) |
| East Islip to Creil | 3,587.42 mi (5,773.39 km) |
| East Islip to Crepy-en-Valois | 3,605.01 mi (5,801.70 km) |
| East Islip to Crest | 3,821.39 mi (6,149.93 km) |
| East Islip to Creteil | 3,598.27 mi (5,790.86 km) |
