| Donostia to Cehegin | 361.31 mi (581.47 km) |
| Donostia to Cervello | 241.02 mi (387.89 km) |
| Donostia to Cervera | 201.21 mi (323.82 km) |
| Donostia to Ceuti | 364.01 mi (585.82 km) |
| Donostia to Cheste | 273.69 mi (440.47 km) |
| Donostia to Chiclana de la Frontera | 525.56 mi (845.80 km) |
| Donostia to Chipiona | 512.27 mi (824.43 km) |
| Donostia to Chiva | 273.81 mi (440.65 km) |
| Donostia to Churriana de la Vega | 435.28 mi (700.52 km) |
| Donostia to Ciempozuelos | 234.14 mi (376.81 km) |
| Donostia to Cieza | 352.27 mi (566.93 km) |
| Donostia to Cisterniga | 181.18 mi (291.58 km) |
| Donostia to Ciudad de Melilla | 557.73 mi (897.58 km) |
| Donostia to Ciudad Real | 316.10 mi (508.71 km) |
| Donostia to Ciudad-Rodrigo | 300.37 mi (483.41 km) |
