| Clausthal-Zellerfeld to Caltanissetta | 1,005.53 mi (1,618.24 km) |
| Clausthal-Zellerfeld to Calvisano | 446.07 mi (717.89 km) |
| Clausthal-Zellerfeld to Calvizzano | 775.20 mi (1,247.56 km) |
| Clausthal-Zellerfeld to Camaiore | 543.88 mi (875.30 km) |
| Clausthal-Zellerfeld to Cameri | 442.34 mi (711.88 km) |
| Clausthal-Zellerfeld to Camisano Vicentino | 439.01 mi (706.51 km) |
| Clausthal-Zellerfeld to Campagna | 802.11 mi (1,290.88 km) |
| Clausthal-Zellerfeld to Campagnano di Roma | 675.11 mi (1,086.49 km) |
| Clausthal-Zellerfeld to Campi Bisenzio | 553.17 mi (890.24 km) |
| Clausthal-Zellerfeld to Campi Salentina | 868.54 mi (1,397.78 km) |
| Clausthal-Zellerfeld to Campiglia Marittima | 603.90 mi (971.88 km) |
| Clausthal-Zellerfeld to Campobasso | 736.24 mi (1,184.87 km) |
| Clausthal-Zellerfeld to Campobello di Licata | 1,020.68 mi (1,642.63 km) |
| Clausthal-Zellerfeld to Campobello di Mazara | 986.17 mi (1,587.09 km) |
| Clausthal-Zellerfeld to Campodarsego | 441.54 mi (710.59 km) |
