| Black Forest to Cabestany | 5,200.05 mi (8,368.67 km) |
| Black Forest to Cabries | 5,259.10 mi (8,463.70 km) |
| Black Forest to Cachan | 4,910.30 mi (7,902.37 km) |
| Black Forest to Caen | 4,796.70 mi (7,719.54 km) |
| Black Forest to Cagnes-sur-Mer | 5,314.88 mi (8,553.48 km) |
| Black Forest to Cahors | 5,064.40 mi (8,150.37 km) |
| Black Forest to Calais | 4,802.20 mi (7,728.40 km) |
| Black Forest to Caluire-et-Cuire | 5,132.79 mi (8,260.42 km) |
| Black Forest to Cambrai | 4,882.71 mi (7,857.96 km) |
| Black Forest to Canet-en-Roussillon | 5,201.44 mi (8,370.91 km) |
| Black Forest to Cannes | 5,315.09 mi (8,553.82 km) |
| Black Forest to Canteleu | 4,836.09 mi (7,782.93 km) |
| Black Forest to Capbreton | 4,986.56 mi (8,025.10 km) |
| Black Forest to Carcassonne | 5,153.60 mi (8,293.91 km) |
| Black Forest to Carmaux | 5,109.32 mi (8,222.65 km) |
