| Backi Petrovac to Olivenza | 1,437.75 mi (2,313.83 km) |
| Backi Petrovac to Olot | 879.23 mi (1,414.99 km) |
| Backi Petrovac to Onate | 1,098.48 mi (1,767.83 km) |
| Backi Petrovac to Onda | 1,072.15 mi (1,725.46 km) |
| Backi Petrovac to Onteniente | 1,125.89 mi (1,811.94 km) |
| Backi Petrovac to Orihuela | 1,167.91 mi (1,879.58 km) |
| Backi Petrovac to Osuna | 1,392.08 mi (2,240.34 km) |
| Backi Petrovac to Ourense | 1,377.03 mi (2,216.12 km) |
| Backi Petrovac to Oviedo | 1,258.82 mi (2,025.87 km) |
| Backi Petrovac to Paiporta | 1,096.57 mi (1,764.77 km) |
| Backi Petrovac to Pajara | 2,178.37 mi (3,505.74 km) |
| Backi Petrovac to Palafolls | 879.64 mi (1,415.65 km) |
| Backi Petrovac to Palafrugell | 853.50 mi (1,373.57 km) |
| Backi Petrovac to Palamos | 856.97 mi (1,379.17 km) |
| Backi Petrovac to Palencia | 1,222.43 mi (1,967.31 km) |
