| Ronkonkoma to Coudekerque-Branche | 3,535.06 mi (5,689.13 km) |
| Ronkonkoma to Coueron | 3,450.62 mi (5,553.24 km) |
| Ronkonkoma to Coulommiers | 3,618.10 mi (5,822.77 km) |
| Ronkonkoma to Courbevoic | 3,580.90 mi (5,762.90 km) |
| Ronkonkoma to Courcouronnes | 3,595.30 mi (5,786.07 km) |
| Ronkonkoma to Cournon-d'Auvergne | 3,705.76 mi (5,963.85 km) |
| Ronkonkoma to Courrieres | 3,571.38 mi (5,747.58 km) |
| Ronkonkoma to Coutras | 3,576.96 mi (5,756.56 km) |
| Ronkonkoma to Couzeix | 3,615.56 mi (5,818.69 km) |
| Ronkonkoma to Cran-Gevrier | 3,828.24 mi (6,160.96 km) |
| Ronkonkoma to Craponne | 3,772.68 mi (6,071.55 km) |
| Ronkonkoma to Creil | 3,581.59 mi (5,764.01 km) |
| Ronkonkoma to Crepy-en-Valois | 3,599.18 mi (5,792.32 km) |
| Ronkonkoma to Crest | 3,815.76 mi (6,140.87 km) |
| Ronkonkoma to Creteil | 3,592.47 mi (5,781.52 km) |
