| Rockville Centre to Carpentras | 3,865.13 mi (6,220.33 km) |
| Rockville Centre to Carquefou | 3,486.57 mi (5,611.09 km) |
| Rockville Centre to Carqueiranne | 3,940.75 mi (6,342.03 km) |
| Rockville Centre to Carrieres-sous-Poissy | 3,597.98 mi (5,790.39 km) |
| Rockville Centre to Carrieres-sur-Seine | 3,609.49 mi (5,808.91 km) |
| Rockville Centre to Carros | 3,969.26 mi (6,387.91 km) |
| Rockville Centre to Carvin | 3,598.07 mi (5,790.53 km) |
| Rockville Centre to Castanet-Tolosan | 3,721.24 mi (5,988.76 km) |
| Rockville Centre to Castelginest | 3,713.13 mi (5,975.71 km) |
| Rockville Centre to Castelnau-le-Lez | 3,826.43 mi (6,158.05 km) |
| Rockville Centre to Castelnaudary | 3,747.74 mi (6,031.41 km) |
| Rockville Centre to Castelsarrasin | 3,688.45 mi (5,935.99 km) |
| Rockville Centre to Castres | 3,752.92 mi (6,039.75 km) |
| Rockville Centre to Caudebec-les-Elbeuf | 3,546.78 mi (5,708.00 km) |
| Rockville Centre to Caudry | 3,625.86 mi (5,835.26 km) |
