| Os to Cabestany | 1,217.01 mi (1,958.58 km) |
| Os to Cabries | 1,159.79 mi (1,866.51 km) |
| Os to Cachan | 799.85 mi (1,287.24 km) |
| Os to Caen | 797.39 mi (1,283.27 km) |
| Os to Cagnes-sur-Mer | 1,146.48 mi (1,845.09 km) |
| Os to Cahors | 1,102.97 mi (1,775.06 km) |
| Os to Calais | 656.25 mi (1,056.13 km) |
| Os to Caluire-et-Cuire | 997.46 mi (1,605.25 km) |
| Os to Cambrai | 699.89 mi (1,126.37 km) |
| Os to Canet-en-Roussillon | 1,215.05 mi (1,955.43 km) |
| Os to Cannes | 1,153.96 mi (1,857.11 km) |
| Os to Canteleu | 764.77 mi (1,230.78 km) |
| Os to Capbreton | 1,181.55 mi (1,901.53 km) |
| Os to Carcassonne | 1,183.02 mi (1,903.88 km) |
| Os to Carmaux | 1,126.24 mi (1,812.51 km) |
