| Os to Carpentras | 1,117.46 mi (1,798.37 km) |
| Os to Carquefou | 936.37 mi (1,506.95 km) |
| Os to Carqueiranne | 1,183.96 mi (1,905.41 km) |
| Os to Carrieres-sous-Poissy | 791.10 mi (1,273.15 km) |
| Os to Carrieres-sur-Seine | 791.98 mi (1,274.58 km) |
| Os to Carros | 1,139.14 mi (1,833.27 km) |
| Os to Carvin | 679.64 mi (1,093.78 km) |
| Os to Castanet-Tolosan | 1,166.52 mi (1,877.34 km) |
| Os to Castelginest | 1,154.70 mi (1,858.32 km) |
| Os to Castelnau-le-Lez | 1,148.14 mi (1,847.75 km) |
| Os to Castelnaudary | 1,177.54 mi (1,895.06 km) |
| Os to Castelsarrasin | 1,133.04 mi (1,823.46 km) |
| Os to Castres | 1,156.66 mi (1,861.47 km) |
| Os to Caudebec-les-Elbeuf | 776.44 mi (1,249.56 km) |
| Os to Caudry | 702.62 mi (1,130.76 km) |
