| Romilly-sur-Seine to Cicero (Illinois) | 4,204.94 mi (6,767.20 km) |
| Romilly-sur-Seine to Cimarron Hills (Colorado) | 4,983.19 mi (8,019.66 km) |
| Romilly-sur-Seine to Cincinnati (Ohio) | 4,196.94 mi (6,754.32 km) |
| Romilly-sur-Seine to Cinco Ranch (Texas) | 5,108.07 mi (8,220.65 km) |
| Romilly-sur-Seine to Circleville (Ohio) | 4,112.08 mi (6,617.75 km) |
| Romilly-sur-Seine to Citrus (California) | 5,691.60 mi (9,159.74 km) |
| Romilly-sur-Seine to Citrus Heights (California) | 5,535.34 mi (8,908.26 km) |
| Romilly-sur-Seine to Citrus Park (Florida) | 4,630.82 mi (7,452.58 km) |
| Romilly-sur-Seine to Claiborne (Louisiana) | 4,822.76 mi (7,761.49 km) |
| Romilly-sur-Seine to Claremont (California) | 5,685.37 mi (9,149.73 km) |
| Romilly-sur-Seine to Claremont (New Hampshire) | 3,517.84 mi (5,661.41 km) |
| Romilly-sur-Seine to Claremore (Oklahoma) | 4,772.97 mi (7,681.35 km) |
| Romilly-sur-Seine to Clarksburg (Maryland) | 3,893.65 mi (6,266.23 km) |
| Romilly-sur-Seine to Clarksburg (West Virginia) | 4,018.70 mi (6,467.48 km) |
| Romilly-sur-Seine to Clarksdale (Mississippi) | 4,675.45 mi (7,524.41 km) |
