| Hrastnik to Olivenza | 1,241.18 mi (1,997.49 km) |
| Hrastnik to Olot | 683.85 mi (1,100.55 km) |
| Hrastnik to Onate | 888.84 mi (1,430.46 km) |
| Hrastnik to Onda | 885.78 mi (1,425.52 km) |
| Hrastnik to Onteniente | 946.62 mi (1,523.43 km) |
| Hrastnik to Orihuela | 992.60 mi (1,597.44 km) |
| Hrastnik to Osuna | 1,207.80 mi (1,943.77 km) |
| Hrastnik to Ourense | 1,164.85 mi (1,874.65 km) |
| Hrastnik to Oviedo | 1,044.90 mi (1,681.61 km) |
| Hrastnik to Paiporta | 913.59 mi (1,470.27 km) |
| Hrastnik to Pajara | 2,005.61 mi (3,227.72 km) |
| Hrastnik to Palafolls | 689.52 mi (1,109.68 km) |
| Hrastnik to Palafrugell | 662.51 mi (1,066.20 km) |
| Hrastnik to Palamos | 666.53 mi (1,072.67 km) |
| Hrastnik to Palencia | 1,014.89 mi (1,633.31 km) |
