| Opovo to Calafell | 985.07 mi (1,585.32 km) |
| Opovo to Calahorra | 1,131.49 mi (1,820.96 km) |
| Opovo to Calasparra | 1,231.04 mi (1,981.17 km) |
| Opovo to Calatayud | 1,136.47 mi (1,828.97 km) |
| Opovo to Caldas de Montbuy | 945.34 mi (1,521.38 km) |
| Opovo to Caldas de Reyes | 1,450.90 mi (2,334.99 km) |
| Opovo to Calella | 921.74 mi (1,483.40 km) |
| Opovo to Callosa de Segura | 1,196.17 mi (1,925.05 km) |
| Opovo to Calpe | 1,134.80 mi (1,826.28 km) |
| Opovo to Calvia | 988.53 mi (1,590.89 km) |
| Opovo to Camas | 1,465.09 mi (2,357.83 km) |
| Opovo to Cambados | 1,460.83 mi (2,350.98 km) |
| Opovo to Cambre | 1,423.23 mi (2,290.47 km) |
| Opovo to Cambrils | 1,013.27 mi (1,630.70 km) |
| Opovo to Campo de Criptana | 1,261.17 mi (2,029.65 km) |
