| Zarautz to Cortona | 711.15 mi (1,144.49 km) |
| Zarautz to Cosenza | 992.56 mi (1,597.37 km) |
| Zarautz to Cossato | 533.29 mi (858.25 km) |
| Zarautz to Costa Volpino | 628.28 mi (1,011.11 km) |
| Zarautz to Creazzo | 690.52 mi (1,111.28 km) |
| Zarautz to Crema | 602.54 mi (969.69 km) |
| Zarautz to Cremona | 616.96 mi (992.89 km) |
| Zarautz to Crevalcore | 668.45 mi (1,075.77 km) |
| Zarautz to Crispiano | 1,011.71 mi (1,628.19 km) |
| Zarautz to Crosia | 1,011.50 mi (1,627.84 km) |
| Zarautz to Crotone | 1,041.19 mi (1,675.63 km) |
| Zarautz to Cuneo | 489.91 mi (788.44 km) |
| Zarautz to Cuorgne | 506.10 mi (814.49 km) |
| Zarautz to Cusano Milanino | 581.05 mi (935.11 km) |
| Zarautz to Cutro | 1,035.87 mi (1,667.08 km) |
