| Rockville Centre to Campo de Criptana | 3,625.91 mi (5,835.34 km) |
| Rockville Centre to Campos del Puerto | 3,917.31 mi (6,304.31 km) |
| Rockville Centre to Canals | 3,760.93 mi (6,052.63 km) |
| Rockville Centre to Candelaria | 3,309.58 mi (5,326.25 km) |
| Rockville Centre to Canet de Mar | 3,828.58 mi (6,161.50 km) |
| Rockville Centre to Cangas | 3,275.61 mi (5,271.59 km) |
| Rockville Centre to Cangas de Narcea | 3,359.03 mi (5,405.83 km) |
| Rockville Centre to Canovellas | 3,813.82 mi (6,137.74 km) |
| Rockville Centre to Canteras | 3,781.43 mi (6,085.62 km) |
| Rockville Centre to Cantillana | 3,548.49 mi (5,710.75 km) |
| Rockville Centre to Capdepera | 3,928.05 mi (6,321.58 km) |
| Rockville Centre to Carballo | 3,256.98 mi (5,241.60 km) |
| Rockville Centre to Carcagente | 3,762.42 mi (6,055.03 km) |
| Rockville Centre to Cardedeu | 3,816.72 mi (6,142.42 km) |
| Rockville Centre to Carlet | 3,755.73 mi (6,044.26 km) |
