| Clausthal-Zellerfeld to Butzbach | 119.18 mi (191.80 km) |
| Clausthal-Zellerfeld to Buxtehude | 118.54 mi (190.77 km) |
| Clausthal-Zellerfeld to Cadolzburg | 164.37 mi (264.53 km) |
| Clausthal-Zellerfeld to Calbe | 61.84 mi (99.52 km) |
| Clausthal-Zellerfeld to Calw | 224.80 mi (361.78 km) |
| Clausthal-Zellerfeld to Castrop-Rauxel | 130.53 mi (210.06 km) |
| Clausthal-Zellerfeld to Celle | 57.70 mi (92.86 km) |
| Clausthal-Zellerfeld to Cham | 205.70 mi (331.04 km) |
| Clausthal-Zellerfeld to Chemnitz | 130.10 mi (209.38 km) |
| Clausthal-Zellerfeld to Cloppenburg | 120.52 mi (193.96 km) |
| Clausthal-Zellerfeld to Coburg | 109.77 mi (176.65 km) |
| Clausthal-Zellerfeld to Coesfeld | 135.53 mi (218.11 km) |
| Clausthal-Zellerfeld to Cologne | 157.75 mi (253.88 km) |
| Clausthal-Zellerfeld to Coswig | 147.27 mi (237.01 km) |
| Clausthal-Zellerfeld to Coswig | 89.70 mi (144.36 km) |
