| Romilly-sur-Seine to Clarkston (Georgia) | 4,430.67 mi (7,130.48 km) |
| Romilly-sur-Seine to Clarksville (Indiana) | 4,285.38 mi (6,896.65 km) |
| Romilly-sur-Seine to Clarksville (Tennessee) | 4,430.58 mi (7,130.33 km) |
| Romilly-sur-Seine to Clawson (Michigan) | 3,992.76 mi (6,425.72 km) |
| Romilly-sur-Seine to Clay (Alabama) | 4,535.70 mi (7,299.50 km) |
| Romilly-sur-Seine to Clayton (California) | 5,598.01 mi (9,009.13 km) |
| Romilly-sur-Seine to Clayton (Missouri) | 4,453.40 mi (7,167.05 km) |
| Romilly-sur-Seine to Clayton (North Carolina) | 4,099.82 mi (6,598.03 km) |
| Romilly-sur-Seine to Clayton (Ohio) | 4,157.15 mi (6,690.29 km) |
| Romilly-sur-Seine to Clearfield (Utah) | 5,112.90 mi (8,228.42 km) |
| Romilly-sur-Seine to Clearlake (California) | 5,559.56 mi (8,947.25 km) |
| Romilly-sur-Seine to Clearwater (Florida) | 4,644.07 mi (7,473.92 km) |
| Romilly-sur-Seine to Cleburne (Texas) | 5,042.03 mi (8,114.36 km) |
| Romilly-sur-Seine to Clemmons (North Carolina) | 4,165.61 mi (6,703.90 km) |
| Romilly-sur-Seine to Clemson (South Carolina) | 4,329.80 mi (6,968.14 km) |
