| Black Forest to Butzbach | 5,054.15 mi (8,133.86 km) |
| Black Forest to Buxtehude | 4,947.01 mi (7,961.44 km) |
| Black Forest to Cadolzburg | 5,172.42 mi (8,324.21 km) |
| Black Forest to Calbe | 5,084.58 mi (8,182.84 km) |
| Black Forest to Calw | 5,136.12 mi (8,265.79 km) |
| Black Forest to Castrop-Rauxel | 4,959.43 mi (7,981.43 km) |
| Black Forest to Celle | 4,998.16 mi (8,043.76 km) |
| Black Forest to Cham | 5,241.33 mi (8,435.11 km) |
| Black Forest to Chemnitz | 5,171.35 mi (8,322.48 km) |
| Black Forest to Clausthal-Zellerfeld | 5,044.34 mi (8,118.07 km) |
| Black Forest to Cloppenburg | 4,924.26 mi (7,924.84 km) |
| Black Forest to Coburg | 5,136.87 mi (8,267.00 km) |
| Black Forest to Coesfeld | 4,936.57 mi (7,944.64 km) |
| Black Forest to Cologne | 4,975.12 mi (8,006.69 km) |
| Black Forest to Coswig | 5,177.37 mi (8,332.17 km) |
