| Romilly-sur-Seine to Cloverly (Maryland) | 3,887.48 mi (6,256.30 km) |
| Romilly-sur-Seine to Clovis (California) | 5,593.93 mi (9,002.56 km) |
| Romilly-sur-Seine to Clovis (New Mexico) | 5,158.06 mi (8,301.10 km) |
| Romilly-sur-Seine to Clute (Texas) | 5,129.39 mi (8,254.95 km) |
| Romilly-sur-Seine to Coachella (California) | 5,658.11 mi (9,105.85 km) |
| Romilly-sur-Seine to Coalinga (California) | 5,653.12 mi (9,097.82 km) |
| Romilly-sur-Seine to Coamo (Puerto Rico) | 4,384.37 mi (7,055.96 km) |
| Romilly-sur-Seine to Coatesville (Pennsylvania) | 3,800.63 mi (6,116.53 km) |
| Romilly-sur-Seine to Cockeysville (Maryland) | 3,855.98 mi (6,205.59 km) |
| Romilly-sur-Seine to Cocoa (Florida) | 4,537.24 mi (7,301.99 km) |
| Romilly-sur-Seine to Cocoa Beach (Florida) | 4,533.43 mi (7,295.85 km) |
| Romilly-sur-Seine to Coconut Creek (Florida) | 4,612.20 mi (7,422.61 km) |
| Romilly-sur-Seine to Coeur d'Alene (Idaho) | 4,896.55 mi (7,880.23 km) |
| Romilly-sur-Seine to Cohoes (New York) | 3,598.56 mi (5,791.33 km) |
| Romilly-sur-Seine to Cold Springs (Nevada) | 5,439.01 mi (8,753.23 km) |
