| Opalenica to Olivenza | 1,465.71 mi (2,358.84 km) |
| Opalenica to Olot | 953.88 mi (1,535.13 km) |
| Opalenica to Onate | 1,080.13 mi (1,738.31 km) |
| Opalenica to Onda | 1,162.90 mi (1,871.50 km) |
| Opalenica to Onteniente | 1,237.17 mi (1,991.03 km) |
| Opalenica to Orihuela | 1,289.36 mi (2,075.02 km) |
| Opalenica to Osuna | 1,471.88 mi (2,368.76 km) |
| Opalenica to Ourense | 1,319.95 mi (2,124.25 km) |
| Opalenica to Oviedo | 1,196.05 mi (1,924.86 km) |
| Opalenica to Paiporta | 1,197.37 mi (1,926.99 km) |
| Opalenica to Pajara | 2,275.32 mi (3,661.78 km) |
| Opalenica to Palafolls | 973.98 mi (1,567.47 km) |
| Opalenica to Palafrugell | 947.58 mi (1,524.98 km) |
| Opalenica to Palamos | 952.61 mi (1,533.08 km) |
| Opalenica to Palencia | 1,206.82 mi (1,942.20 km) |
