| Romulus to Castrovillari | 4,862.72 mi (7,825.79 km) |
| Romulus to Catania | 4,917.59 mi (7,914.09 km) |
| Romulus to Catanzaro | 4,919.43 mi (7,917.05 km) |
| Romulus to Cattolica | 4,546.37 mi (7,316.67 km) |
| Romulus to Cava de' Tirreni | 4,762.84 mi (7,665.04 km) |
| Romulus to Cavallino | 4,922.22 mi (7,921.55 km) |
| Romulus to Cavarzere | 4,473.06 mi (7,198.69 km) |
| Romulus to Cave | 4,643.06 mi (7,472.28 km) |
| Romulus to Cavriago | 4,428.42 mi (7,126.86 km) |
| Romulus to Cavriglia | 4,514.10 mi (7,264.73 km) |
| Romulus to Cazzago San Martino | 4,373.55 mi (7,038.55 km) |
| Romulus to Ceccano | 4,669.94 mi (7,515.54 km) |
| Romulus to Cecina | 4,482.63 mi (7,214.10 km) |
| Romulus to Cefalu | 4,848.83 mi (7,803.43 km) |
| Romulus to Ceglie Messapico | 4,879.21 mi (7,852.34 km) |
