| Regensburg to Novi di Modena | 290.29 mi (467.17 km) |
| Regensburg to Novi Ligure | 332.76 mi (535.52 km) |
| Regensburg to Nuoro | 616.00 mi (991.36 km) |
| Regensburg to Occhiobello | 283.93 mi (456.94 km) |
| Regensburg to Oderzo | 224.40 mi (361.13 km) |
| Regensburg to Oggiono | 257.35 mi (414.17 km) |
| Regensburg to Olbia | 573.63 mi (923.17 km) |
| Regensburg to Oleggio | 286.03 mi (460.32 km) |
| Regensburg to Olgiate Comasco | 266.70 mi (429.21 km) |
| Regensburg to Olgiate Olona | 277.63 mi (446.80 km) |
| Regensburg to Omegna | 276.58 mi (445.11 km) |
| Regensburg to Opera | 284.79 mi (458.32 km) |
| Regensburg to Oppeano | 260.25 mi (418.83 km) |
| Regensburg to Orbassano | 350.03 mi (563.32 km) |
| Regensburg to Orbetello | 456.38 mi (734.46 km) |
