| Rockville Centre to Cehegin | 3,729.60 mi (6,002.22 km) |
| Rockville Centre to Cervello | 3,805.66 mi (6,124.61 km) |
| Rockville Centre to Cervera | 3,765.51 mi (6,060.01 km) |
| Rockville Centre to Ceuti | 3,755.54 mi (6,043.95 km) |
| Rockville Centre to Cheste | 3,740.09 mi (6,019.09 km) |
| Rockville Centre to Chiclana de la Frontera | 3,568.23 mi (5,742.51 km) |
| Rockville Centre to Chipiona | 3,544.40 mi (5,704.16 km) |
| Rockville Centre to Chiva | 3,738.66 mi (6,016.79 km) |
| Rockville Centre to Churriana de la Vega | 3,668.85 mi (5,904.45 km) |
| Rockville Centre to Ciempozuelos | 3,579.44 mi (5,760.55 km) |
| Rockville Centre to Cieza | 3,743.39 mi (6,024.41 km) |
| Rockville Centre to Cisterniga | 3,487.48 mi (5,612.56 km) |
| Rockville Centre to Ciudad de Melilla | 3,763.48 mi (6,056.74 km) |
| Rockville Centre to Ciudad Real | 3,599.73 mi (5,793.21 km) |
| Rockville Centre to Ciudad-Rodrigo | 3,426.80 mi (5,514.89 km) |