| Oppeano to Olivenza | 1,041.01 mi (1,675.35 km) |
| Oppeano to Olot | 484.16 mi (779.19 km) |
| Oppeano to Onate | 691.08 mi (1,112.19 km) |
| Oppeano to Onda | 687.92 mi (1,107.10 km) |
| Oppeano to Onteniente | 751.13 mi (1,208.83 km) |
| Oppeano to Orihuela | 798.59 mi (1,285.20 km) |
| Oppeano to Osuna | 1,009.83 mi (1,625.17 km) |
| Oppeano to Ourense | 968.92 mi (1,559.33 km) |
| Oppeano to Oviedo | 850.57 mi (1,368.85 km) |
| Oppeano to Paiporta | 716.79 mi (1,153.57 km) |
| Oppeano to Pajara | 1,810.22 mi (2,913.27 km) |
| Oppeano to Palafolls | 491.19 mi (790.50 km) |
| Oppeano to Palafrugell | 464.02 mi (746.77 km) |
| Oppeano to Palamos | 468.20 mi (753.49 km) |
| Oppeano to Palencia | 816.20 mi (1,313.55 km) |
