| Clausthal-Zellerfeld to Campogalliano | 492.63 mi (792.81 km) |
| Clausthal-Zellerfeld to Campolongo Maggiore | 453.93 mi (730.54 km) |
| Clausthal-Zellerfeld to Camponogara | 450.66 mi (725.26 km) |
| Clausthal-Zellerfeld to Camposampiero | 437.11 mi (703.47 km) |
| Clausthal-Zellerfeld to Canegrate | 435.72 mi (701.23 km) |
| Clausthal-Zellerfeld to Canelli | 498.35 mi (802.02 km) |
| Clausthal-Zellerfeld to Canicatti | 1,012.16 mi (1,628.91 km) |
| Clausthal-Zellerfeld to Canosa di Puglia | 780.08 mi (1,255.42 km) |
| Clausthal-Zellerfeld to Cantu | 423.06 mi (680.84 km) |
| Clausthal-Zellerfeld to Caorle | 444.11 mi (714.73 km) |
| Clausthal-Zellerfeld to Capaci | 952.70 mi (1,533.21 km) |
| Clausthal-Zellerfeld to Capannori | 549.74 mi (884.72 km) |
| Clausthal-Zellerfeld to Capena | 675.72 mi (1,087.47 km) |
| Clausthal-Zellerfeld to Capo d'Orlando | 967.18 mi (1,556.53 km) |
| Clausthal-Zellerfeld to Capodrise | 766.41 mi (1,233.41 km) |
