| Orsova to Olivenza | 1,568.15 mi (2,523.70 km) |
| Orsova to Olot | 1,011.17 mi (1,627.32 km) |
| Orsova to Onate | 1,236.43 mi (1,989.84 km) |
| Orsova to Onda | 1,198.64 mi (1,929.03 km) |
| Orsova to Onteniente | 1,248.48 mi (2,009.23 km) |
| Orsova to Orihuela | 1,288.21 mi (2,073.17 km) |
| Orsova to Osuna | 1,516.01 mi (2,439.79 km) |
| Orsova to Ourense | 1,515.92 mi (2,439.64 km) |
| Orsova to Oviedo | 1,398.74 mi (2,251.05 km) |
| Orsova to Paiporta | 1,221.23 mi (1,965.38 km) |
| Orsova to Pajara | 2,293.51 mi (3,691.05 km) |
| Orsova to Palafolls | 1,009.15 mi (1,624.07 km) |
| Orsova to Palafrugell | 983.60 mi (1,582.95 km) |
| Orsova to Palamos | 986.80 mi (1,588.10 km) |
| Orsova to Palencia | 1,359.09 mi (2,187.25 km) |
