| Buren to Olivenza | 1,166.97 mi (1,878.05 km) |
| Buren to Olot | 707.47 mi (1,138.56 km) |
| Buren to Onate | 780.10 mi (1,255.46 km) |
| Buren to Onda | 905.23 mi (1,456.83 km) |
| Buren to Onteniente | 984.58 mi (1,584.53 km) |
| Buren to Orihuela | 1,038.58 mi (1,671.43 km) |
| Buren to Osuna | 1,193.11 mi (1,920.13 km) |
| Buren to Ourense | 998.99 mi (1,607.72 km) |
| Buren to Oviedo | 876.77 mi (1,411.02 km) |
| Buren to Paiporta | 942.24 mi (1,516.39 km) |
| Buren to Pajara | 1,985.28 mi (3,195.00 km) |
| Buren to Palafolls | 735.82 mi (1,184.18 km) |
| Buren to Palafrugell | 712.55 mi (1,146.74 km) |
| Buren to Palamos | 717.80 mi (1,155.19 km) |
| Buren to Palencia | 901.79 mi (1,451.28 km) |
