| Romilly-sur-Seine to Carlsbad (New Mexico) | 5,304.09 mi (8,536.11 km) |
| Romilly-sur-Seine to Carmel (Indiana) | 4,225.98 mi (6,801.05 km) |
| Romilly-sur-Seine to Carmichael (California) | 5,540.11 mi (8,915.94 km) |
| Romilly-sur-Seine to Carney (Maryland) | 3,854.71 mi (6,203.56 km) |
| Romilly-sur-Seine to Carnot-Moon (Pennsylvania) | 3,960.96 mi (6,374.54 km) |
| Romilly-sur-Seine to Carol Stream (Illinois) | 4,216.10 mi (6,785.15 km) |
| Romilly-sur-Seine to Carolina (Puerto Rico) | 4,350.48 mi (7,001.42 km) |
| Romilly-sur-Seine to Carolina Forest (South Carolina) | 4,205.18 mi (6,767.58 km) |
| Romilly-sur-Seine to Carpentersville (Illinois) | 4,213.03 mi (6,780.22 km) |
| Romilly-sur-Seine to Carpinteria (California) | 5,727.85 mi (9,218.09 km) |
| Romilly-sur-Seine to Carrboro (North Carolina) | 4,115.16 mi (6,622.71 km) |
| Romilly-sur-Seine to Carroll (Iowa) | 4,465.36 mi (7,186.31 km) |
| Romilly-sur-Seine to Carrollton (Georgia) | 4,477.05 mi (7,205.11 km) |
| Romilly-sur-Seine to Carrollton (Texas) | 4,989.64 mi (8,030.05 km) |
| Romilly-sur-Seine to Carrollwood (Florida) | 4,629.45 mi (7,450.39 km) |
