| Clausthal-Zellerfeld to Carpentras | 588.32 mi (946.81 km) |
| Clausthal-Zellerfeld to Carquefou | 613.86 mi (987.92 km) |
| Clausthal-Zellerfeld to Carqueiranne | 633.61 mi (1,019.70 km) |
| Clausthal-Zellerfeld to Carrieres-sous-Poissy | 415.14 mi (668.11 km) |
| Clausthal-Zellerfeld to Carrieres-sur-Seine | 406.86 mi (654.78 km) |
| Clausthal-Zellerfeld to Carros | 573.70 mi (923.28 km) |
| Clausthal-Zellerfeld to Carvin | 332.19 mi (534.61 km) |
| Clausthal-Zellerfeld to Castanet-Tolosan | 704.01 mi (1,132.99 km) |
| Clausthal-Zellerfeld to Castelginest | 695.44 mi (1,119.21 km) |
| Clausthal-Zellerfeld to Castelnau-le-Lez | 638.11 mi (1,026.94 km) |
| Clausthal-Zellerfeld to Castelnaudary | 703.66 mi (1,132.43 km) |
| Clausthal-Zellerfeld to Castelsarrasin | 684.77 mi (1,102.03 km) |
| Clausthal-Zellerfeld to Castres | 679.33 mi (1,093.28 km) |
| Clausthal-Zellerfeld to Caudebec-les-Elbeuf | 444.21 mi (714.89 km) |
| Clausthal-Zellerfeld to Caudry | 322.72 mi (519.37 km) |
