| Romilly-sur-Seine to Caño Martin Peña (Puerto Rico) | 4,352.49 mi (7,004.65 km) |
| Romilly-sur-Seine to Cañon City (Colorado) | 5,023.36 mi (8,084.31 km) |
| Romilly-sur-Seine to Canóvanas (Puerto Rico) | 4,348.69 mi (6,998.54 km) |
| Romilly-sur-Seine to Canton (Georgia) | 4,420.85 mi (7,114.67 km) |
| Romilly-sur-Seine to Canton (Illinois) | 4,352.45 mi (7,004.59 km) |
| Romilly-sur-Seine to Canton (Mississippi) | 4,730.75 mi (7,613.40 km) |
| Romilly-sur-Seine to Canton (Ohio) | 3,995.56 mi (6,430.23 km) |
| Romilly-sur-Seine to Canyon (Texas) | 5,081.56 mi (8,177.98 km) |
| Romilly-sur-Seine to Canyon Lake (California) | 5,695.32 mi (9,165.73 km) |
| Romilly-sur-Seine to Canyon Lake (Texas) | 5,202.29 mi (8,372.28 km) |
| Romilly-sur-Seine to Cape Coral (Florida) | 4,674.80 mi (7,523.37 km) |
| Romilly-sur-Seine to Cape Girardeau (Missouri) | 4,485.55 mi (7,218.80 km) |
| Romilly-sur-Seine to Carbondale (Illinois) | 4,452.72 mi (7,165.95 km) |
| Romilly-sur-Seine to Carlisle (Pennsylvania) | 3,849.61 mi (6,195.34 km) |
| Romilly-sur-Seine to Carlsbad (California) | 5,727.97 mi (9,218.27 km) |
