| Rockville Centre to Celano | 4,306.97 mi (6,931.39 km) |
| Rockville Centre to Cento | 4,116.65 mi (6,625.11 km) |
| Rockville Centre to Cepagatti | 4,319.19 mi (6,951.07 km) |
| Rockville Centre to Ceprano | 4,324.43 mi (6,959.49 km) |
| Rockville Centre to Cercola | 4,386.10 mi (7,058.75 km) |
| Rockville Centre to Cerea | 4,098.32 mi (6,595.61 km) |
| Rockville Centre to Cerese | 4,083.26 mi (6,571.37 km) |
| Rockville Centre to Cerignola | 4,439.51 mi (7,144.71 km) |
| Rockville Centre to Cermenate | 3,990.76 mi (6,422.51 km) |
| Rockville Centre to Cernusco sul Naviglio | 4,007.31 mi (6,449.14 km) |
| Rockville Centre to Cerreto Guidi | 4,131.68 mi (6,649.29 km) |
| Rockville Centre to Cerro Maggiore | 3,988.19 mi (6,418.37 km) |
| Rockville Centre to Certaldo | 4,145.94 mi (6,672.25 km) |
| Rockville Centre to Cerveteri | 4,245.84 mi (6,833.02 km) |
| Rockville Centre to Cervia | 4,178.79 mi (6,725.12 km) |
