| Onate to Cehegin | 342.91 mi (551.86 km) |
| Onate to Cervello | 250.81 mi (403.65 km) |
| Onate to Cervera | 210.66 mi (339.02 km) |
| Onate to Ceuti | 347.54 mi (559.31 km) |
| Onate to Cheste | 261.48 mi (420.81 km) |
| Onate to Chiclana de la Frontera | 498.21 mi (801.80 km) |
| Onate to Chipiona | 484.43 mi (779.62 km) |
| Onate to Chiva | 261.40 mi (420.68 km) |
| Onate to Churriana de la Vega | 411.68 mi (662.53 km) |
| Onate to Ciempozuelos | 208.05 mi (334.83 km) |
| Onate to Cieza | 335.34 mi (539.68 km) |
| Onate to Cisterniga | 151.60 mi (243.98 km) |
| Onate to Ciudad de Melilla | 536.28 mi (863.06 km) |
| Onate to Ciudad Real | 290.54 mi (467.57 km) |
| Onate to Ciudad-Rodrigo | 270.87 mi (435.93 km) |
