| Heidenau to Novi di Modena | 442.50 mi (712.14 km) |
| Heidenau to Novi Ligure | 490.02 mi (788.61 km) |
| Heidenau to Nuoro | 768.45 mi (1,236.70 km) |
| Heidenau to Occhiobello | 431.91 mi (695.10 km) |
| Heidenau to Oderzo | 364.93 mi (587.29 km) |
| Heidenau to Oggiono | 414.60 mi (667.23 km) |
| Heidenau to Olbia | 726.14 mi (1,168.62 km) |
| Heidenau to Oleggio | 442.72 mi (712.49 km) |
| Heidenau to Olgiate Comasco | 423.63 mi (681.76 km) |
| Heidenau to Olgiate Olona | 434.61 mi (699.44 km) |
| Heidenau to Omegna | 432.26 mi (695.66 km) |
| Heidenau to Opera | 442.05 mi (711.41 km) |
| Heidenau to Oppeano | 411.63 mi (662.46 km) |
| Heidenau to Orbassano | 505.70 mi (813.84 km) |
| Heidenau to Orbetello | 603.46 mi (971.18 km) |
