| Sunset to Olivares | 4,333.40 mi (6,973.94 km) |
| Sunset to Olivenza | 4,264.40 mi (6,862.89 km) |
| Sunset to Olot | 4,698.98 mi (7,562.28 km) |
| Sunset to Onate | 4,442.72 mi (7,149.87 km) |
| Sunset to Onda | 4,600.27 mi (7,403.42 km) |
| Sunset to Onteniente | 4,602.74 mi (7,407.39 km) |
| Sunset to Orihuela | 4,598.20 mi (7,400.09 km) |
| Sunset to Osuna | 4,392.46 mi (7,068.99 km) |
| Sunset to Ourense | 4,179.69 mi (6,726.56 km) |
| Sunset to Oviedo | 4,268.91 mi (6,870.15 km) |
| Sunset to Paiporta | 4,601.75 mi (7,405.80 km) |
| Sunset to Pajara | 4,028.95 mi (6,483.98 km) |
| Sunset to Palafolls | 4,721.44 mi (7,598.43 km) |
| Sunset to Palafrugell | 4,737.22 mi (7,623.81 km) |
| Sunset to Palamos | 4,736.88 mi (7,623.27 km) |
