| Donostia to Buhusi | 1,412.37 mi (2,272.99 km) |
| Donostia to Bumbesti-Jiu | 1,256.53 mi (2,022.18 km) |
| Donostia to Busteni | 1,360.14 mi (2,188.93 km) |
| Donostia to Buzau | 1,423.75 mi (2,291.30 km) |
| Donostia to Cajvana | 1,378.68 mi (2,218.77 km) |
| Donostia to Calafat | 1,242.76 mi (2,000.02 km) |
| Donostia to Calan | 1,236.99 mi (1,990.74 km) |
| Donostia to Calarasi | 1,456.29 mi (2,343.67 km) |
| Donostia to Campia Turzii | 1,278.41 mi (2,057.41 km) |
| Donostia to Campina | 1,371.40 mi (2,207.06 km) |
| Donostia to Campulung | 1,337.02 mi (2,151.73 km) |
| Donostia to Campulung Moldovenesc | 1,358.76 mi (2,186.71 km) |
| Donostia to Caracal | 1,310.27 mi (2,108.68 km) |
| Donostia to Caransebes | 1,199.51 mi (1,930.43 km) |
| Donostia to Carei | 1,216.07 mi (1,957.07 km) |
