| Opovo to Coin | 1,430.04 mi (2,301.43 km) |
| Opovo to Colindres | 1,183.49 mi (1,904.65 km) |
| Opovo to Collado-Villalba | 1,269.85 mi (2,043.62 km) |
| Opovo to Colmenar Viejo | 1,257.40 mi (2,023.59 km) |
| Opovo to Colmenarejo | 1,272.15 mi (2,047.33 km) |
| Opovo to Conil de la Frontera | 1,507.56 mi (2,426.18 km) |
| Opovo to Consuegra | 1,282.91 mi (2,064.64 km) |
| Opovo to Corbera de Llobregat | 962.09 mi (1,548.33 km) |
| Opovo to Cordoba | 1,388.96 mi (2,235.31 km) |
| Opovo to Coria del Rio | 1,469.95 mi (2,365.65 km) |
| Opovo to Crevillente | 1,188.47 mi (1,912.65 km) |
| Opovo to Cuarte de Huerva | 1,096.08 mi (1,763.98 km) |
| Opovo to Cubellas | 979.80 mi (1,576.83 km) |
| Opovo to Cuellar | 1,265.77 mi (2,037.06 km) |
| Opovo to Cuenca | 1,195.17 mi (1,923.44 km) |
