| Seaside to Olivares | 5,876.21 mi (9,456.85 km) |
| Seaside to Olivenza | 5,778.51 mi (9,299.62 km) |
| Seaside to Olot | 5,959.51 mi (9,590.90 km) |
| Seaside to Onate | 5,745.90 mi (9,247.13 km) |
| Seaside to Onda | 5,975.89 mi (9,617.27 km) |
| Seaside to Onteniente | 6,020.62 mi (9,689.26 km) |
| Seaside to Orihuela | 6,044.88 mi (9,728.30 km) |
| Seaside to Osuna | 5,926.65 mi (9,538.02 km) |
| Seaside to Ourense | 5,578.80 mi (8,978.21 km) |
| Seaside to Oviedo | 5,606.31 mi (9,022.48 km) |
| Seaside to Paiporta | 5,997.16 mi (9,651.49 km) |
| Seaside to Pajara | 5,947.84 mi (9,572.13 km) |
| Seaside to Palafolls | 5,994.95 mi (9,647.95 km) |
| Seaside to Palafrugell | 5,996.11 mi (9,649.80 km) |
| Seaside to Palamos | 5,998.67 mi (9,653.92 km) |
