| Hollabrunn to Olivenza | 1,337.67 mi (2,152.77 km) |
| Hollabrunn to Olot | 791.88 mi (1,274.40 km) |
| Hollabrunn to Onate | 966.52 mi (1,555.46 km) |
| Hollabrunn to Onda | 1,000.38 mi (1,609.95 km) |
| Hollabrunn to Onteniente | 1,067.66 mi (1,718.24 km) |
| Hollabrunn to Orihuela | 1,116.73 mi (1,797.20 km) |
| Hollabrunn to Osuna | 1,320.28 mi (2,124.79 km) |
| Hollabrunn to Ourense | 1,231.69 mi (1,982.21 km) |
| Hollabrunn to Oviedo | 1,108.31 mi (1,783.65 km) |
| Hollabrunn to Paiporta | 1,031.39 mi (1,659.86 km) |
| Hollabrunn to Pajara | 2,124.40 mi (3,418.90 km) |
| Hollabrunn to Palafolls | 804.15 mi (1,294.16 km) |
| Hollabrunn to Palafrugell | 776.86 mi (1,250.24 km) |
| Hollabrunn to Palamos | 781.42 mi (1,257.58 km) |
| Hollabrunn to Palencia | 1,095.03 mi (1,762.29 km) |
