| Opovo to Olivenza | 1,475.00 mi (2,373.79 km) |
| Opovo to Olot | 917.04 mi (1,475.83 km) |
| Opovo to Onate | 1,139.40 mi (1,833.69 km) |
| Opovo to Onda | 1,107.51 mi (1,782.37 km) |
| Opovo to Onteniente | 1,159.55 mi (1,866.12 km) |
| Opovo to Orihuela | 1,200.61 mi (1,932.20 km) |
| Opovo to Osuna | 1,426.44 mi (2,295.63 km) |
| Opovo to Ourense | 1,418.50 mi (2,282.86 km) |
| Opovo to Oviedo | 1,300.87 mi (2,093.54 km) |
| Opovo to Paiporta | 1,131.13 mi (1,820.38 km) |
| Opovo to Pajara | 2,209.25 mi (3,555.45 km) |
| Opovo to Palafolls | 916.29 mi (1,474.63 km) |
| Opovo to Palafrugell | 890.41 mi (1,432.97 km) |
| Opovo to Palamos | 893.76 mi (1,438.36 km) |
| Opovo to Palencia | 1,262.69 mi (2,032.10 km) |
