| Romulus to Cabestany | 4,188.33 mi (6,740.47 km) |
| Romulus to Cabries | 4,264.08 mi (6,862.37 km) |
| Romulus to Cachan | 3,949.93 mi (6,356.79 km) |
| Romulus to Caen | 3,828.97 mi (6,162.13 km) |
| Romulus to Cagnes-sur-Mer | 4,329.81 mi (6,968.15 km) |
| Romulus to Cahors | 4,060.76 mi (6,535.16 km) |
| Romulus to Calais | 3,861.84 mi (6,215.04 km) |
| Romulus to Caluire-et-Cuire | 4,155.45 mi (6,687.55 km) |
| Romulus to Cambrai | 3,940.18 mi (6,341.10 km) |
| Romulus to Canet-en-Roussillon | 4,190.19 mi (6,743.46 km) |
| Romulus to Cannes | 4,328.45 mi (6,965.96 km) |
| Romulus to Canteleu | 3,876.82 mi (6,239.14 km) |
| Romulus to Capbreton | 3,964.91 mi (6,380.90 km) |
| Romulus to Carcassonne | 4,143.60 mi (6,668.47 km) |
| Romulus to Carmaux | 4,105.34 mi (6,606.91 km) |
