| Romilly-sur-Seine to Cologno al Serio | 346.43 mi (557.53 km) |
| Romilly-sur-Seine to Cologno Monzese | 332.99 mi (535.89 km) |
| Romilly-sur-Seine to Colorno | 400.59 mi (644.69 km) |
| Romilly-sur-Seine to Comacchio | 479.81 mi (772.18 km) |
| Romilly-sur-Seine to Comiso | 969.02 mi (1,559.48 km) |
| Romilly-sur-Seine to Como | 313.46 mi (504.46 km) |
| Romilly-sur-Seine to Concordia Sagittaria | 468.56 mi (754.08 km) |
| Romilly-sur-Seine to Concorezzo | 332.42 mi (534.97 km) |
| Romilly-sur-Seine to Conegliano | 441.12 mi (709.91 km) |
| Romilly-sur-Seine to Conselice | 473.84 mi (762.56 km) |
| Romilly-sur-Seine to Conselve | 446.03 mi (717.82 km) |
| Romilly-sur-Seine to Conversano | 836.92 mi (1,346.90 km) |
| Romilly-sur-Seine to Copertino | 905.72 mi (1,457.61 km) |
| Romilly-sur-Seine to Copparo | 457.80 mi (736.77 km) |
| Romilly-sur-Seine to Corato | 801.08 mi (1,289.21 km) |
