| Opovo to Cervello | 961.28 mi (1,547.03 km) |
| Opovo to Cervera | 987.94 mi (1,589.94 km) |
| Opovo to Ceuti | 1,216.12 mi (1,957.15 km) |
| Opovo to Cheste | 1,142.20 mi (1,838.19 km) |
| Opovo to Chiclana de la Frontera | 1,505.25 mi (2,422.47 km) |
| Opovo to Chipiona | 1,507.37 mi (2,425.88 km) |
| Opovo to Chiva | 1,144.14 mi (1,841.31 km) |
| Opovo to Churriana de la Vega | 1,360.78 mi (2,189.96 km) |
| Opovo to Ciempozuelos | 1,263.58 mi (2,033.53 km) |
| Opovo to Cieza | 1,217.49 mi (1,959.36 km) |
| Opovo to Cisterniga | 1,278.83 mi (2,058.07 km) |
| Opovo to Ciudad de Melilla | 1,399.54 mi (2,252.34 km) |
| Opovo to Ciudad Real | 1,312.31 mi (2,111.95 km) |
| Opovo to Ciudad-Rodrigo | 1,393.98 mi (2,243.40 km) |
| Opovo to Cocentaina | 1,154.25 mi (1,857.58 km) |
