| Rockville Centre to Castrovillari | 4,507.28 mi (7,253.77 km) |
| Rockville Centre to Catania | 4,545.84 mi (7,315.83 km) |
| Rockville Centre to Catanzaro | 4,560.14 mi (7,338.83 km) |
| Rockville Centre to Cattolica | 4,205.06 mi (6,767.39 km) |
| Rockville Centre to Cava de' Tirreni | 4,407.74 mi (7,093.57 km) |
| Rockville Centre to Cavallino | 4,576.09 mi (7,364.51 km) |
| Rockville Centre to Cavarzere | 4,137.35 mi (6,658.42 km) |
| Rockville Centre to Cave | 4,289.13 mi (6,902.69 km) |
| Rockville Centre to Cavriago | 4,085.44 mi (6,574.88 km) |
| Rockville Centre to Cavriglia | 4,166.29 mi (6,705.00 km) |
| Rockville Centre to Cazzago San Martino | 4,034.93 mi (6,493.59 km) |
| Rockville Centre to Ceccano | 4,315.73 mi (6,945.50 km) |
| Rockville Centre to Cecina | 4,130.78 mi (6,647.84 km) |
| Rockville Centre to Cefalu | 4,476.61 mi (7,204.40 km) |
| Rockville Centre to Ceglie Messapico | 4,532.71 mi (7,294.70 km) |
