| Romilly-sur-Seine to Chantilly (Virginia) | 3,915.67 mi (6,301.67 km) |
| Romilly-sur-Seine to Chaparral (New Mexico) | 5,404.25 mi (8,697.30 km) |
| Romilly-sur-Seine to Chapel Hill (North Carolina) | 4,113.03 mi (6,619.29 km) |
| Romilly-sur-Seine to Charleston (Illinois) | 4,328.99 mi (6,966.84 km) |
| Romilly-sur-Seine to Charleston (South Carolina) | 4,294.27 mi (6,910.95 km) |
| Romilly-sur-Seine to Charleston (West Virginia) | 4,114.30 mi (6,621.32 km) |
| Romilly-sur-Seine to Charlotte (North Carolina) | 4,221.72 mi (6,794.21 km) |
| Romilly-sur-Seine to Charlottesville (Virginia) | 3,996.30 mi (6,431.42 km) |
| Romilly-sur-Seine to Chaska (Minnesota) | 4,290.28 mi (6,904.54 km) |
| Romilly-sur-Seine to Chatham (Illinois) | 4,380.15 mi (7,049.18 km) |
| Romilly-sur-Seine to Chattanooga (Tennessee) | 4,414.37 mi (7,104.25 km) |
| Romilly-sur-Seine to Cheat Lake (West Virginia) | 3,982.80 mi (6,409.70 km) |
| Romilly-sur-Seine to Chelsea (Alabama) | 4,554.10 mi (7,329.11 km) |
| Romilly-sur-Seine to Chelsea (Massachusetts) | 3,501.38 mi (5,634.92 km) |
| Romilly-sur-Seine to Cheney (Washington) | 4,930.34 mi (7,934.62 km) |
