| Hollabrunn to Novi di Modena | 352.90 mi (567.94 km) |
| Hollabrunn to Novi Ligure | 434.37 mi (699.05 km) |
| Hollabrunn to Nuoro | 659.54 mi (1,061.42 km) |
| Hollabrunn to Occhiobello | 329.83 mi (530.81 km) |
| Hollabrunn to Oderzo | 255.85 mi (411.75 km) |
| Hollabrunn to Oggiono | 369.92 mi (595.34 km) |
| Hollabrunn to Olbia | 618.94 mi (996.10 km) |
| Hollabrunn to Oleggio | 405.78 mi (653.04 km) |
| Hollabrunn to Olgiate Comasco | 385.39 mi (620.23 km) |
| Hollabrunn to Olgiate Olona | 394.41 mi (634.75 km) |
| Hollabrunn to Omegna | 405.03 mi (651.84 km) |
| Hollabrunn to Opera | 391.13 mi (629.47 km) |
| Hollabrunn to Oppeano | 322.97 mi (519.77 km) |
| Hollabrunn to Orbassano | 472.83 mi (760.94 km) |
| Hollabrunn to Orbetello | 484.39 mi (779.54 km) |
