| Ronkonkoma to Chenove | 3,740.91 mi (6,020.41 km) |
| Ronkonkoma to Cherbourg | 3,400.28 mi (5,472.22 km) |
| Ronkonkoma to Chevigny-Saint-Sauveur | 3,746.11 mi (6,028.78 km) |
| Ronkonkoma to Chevilly-Larue | 3,588.46 mi (5,775.06 km) |
| Ronkonkoma to Chilly-Mazarin | 3,588.34 mi (5,774.88 km) |
| Ronkonkoma to Choisy-le-Roi | 3,590.90 mi (5,779.00 km) |
| Ronkonkoma to Cholet | 3,491.55 mi (5,619.11 km) |
| Ronkonkoma to Clamart | 3,583.74 mi (5,767.47 km) |
| Ronkonkoma to Claye-Souilly | 3,598.04 mi (5,790.48 km) |
| Ronkonkoma to Clermont | 3,575.62 mi (5,754.40 km) |
| Ronkonkoma to Clermont-Ferrand | 3,699.56 mi (5,953.87 km) |
| Ronkonkoma to Clermont-l'Herault | 3,777.50 mi (6,079.30 km) |
| Ronkonkoma to Clichy | 3,582.99 mi (5,766.27 km) |
| Ronkonkoma to Clichy-sous-Bois | 3,593.28 mi (5,782.83 km) |
| Ronkonkoma to Cluses | 3,844.16 mi (6,186.57 km) |
