| Zarautz to Cernavoda | 1,499.01 mi (2,412.43 km) |
| Zarautz to Chitila | 1,397.10 mi (2,248.41 km) |
| Zarautz to Cisnadie | 1,301.83 mi (2,095.09 km) |
| Zarautz to Cluj-Napoca | 1,274.32 mi (2,050.81 km) |
| Zarautz to Codlea | 1,364.21 mi (2,195.48 km) |
| Zarautz to Comanesti | 1,410.43 mi (2,269.87 km) |
| Zarautz to Comarnic | 1,375.40 mi (2,213.48 km) |
| Zarautz to Constanta | 1,530.08 mi (2,462.43 km) |
| Zarautz to Corabia | 1,330.67 mi (2,141.50 km) |
| Zarautz to Costesti | 1,342.01 mi (2,159.76 km) |
| Zarautz to Covasna | 1,399.35 mi (2,252.04 km) |
| Zarautz to Craiova | 1,292.18 mi (2,079.56 km) |
| Zarautz to Cristuru Secuiesc | 1,343.20 mi (2,161.68 km) |
| Zarautz to Cugir | 1,263.65 mi (2,033.65 km) |
| Zarautz to Cumpana | 1,526.84 mi (2,457.21 km) |
