| Clausthal-Zellerfeld to Capoterra | 875.15 mi (1,408.41 km) |
| Clausthal-Zellerfeld to Capriolo | 426.54 mi (686.45 km) |
| Clausthal-Zellerfeld to Capua | 761.67 mi (1,225.79 km) |
| Clausthal-Zellerfeld to Capurso | 805.68 mi (1,296.62 km) |
| Clausthal-Zellerfeld to Carate Brianza | 420.48 mi (676.69 km) |
| Clausthal-Zellerfeld to Caravaggio | 436.92 mi (703.16 km) |
| Clausthal-Zellerfeld to Carbonera | 432.13 mi (695.45 km) |
| Clausthal-Zellerfeld to Carbonia | 877.52 mi (1,412.23 km) |
| Clausthal-Zellerfeld to Cardito | 773.15 mi (1,244.26 km) |
| Clausthal-Zellerfeld to Carignano | 491.95 mi (791.71 km) |
| Clausthal-Zellerfeld to Carini | 954.63 mi (1,536.33 km) |
| Clausthal-Zellerfeld to Carlentini | 1,028.94 mi (1,655.92 km) |
| Clausthal-Zellerfeld to Carmagnola | 495.29 mi (797.09 km) |
| Clausthal-Zellerfeld to Carmiano | 872.59 mi (1,404.29 km) |
| Clausthal-Zellerfeld to Carmignano | 552.84 mi (889.70 km) |
