| Northeim to Novi di Modena | 472.56 mi (760.51 km) |
| Northeim to Novi Ligure | 483.26 mi (777.72 km) |
| Northeim to Nuoro | 787.62 mi (1,267.55 km) |
| Northeim to Occhiobello | 474.36 mi (763.41 km) |
| Northeim to Oderzo | 424.82 mi (683.68 km) |
| Northeim to Oggiono | 410.34 mi (660.37 km) |
| Northeim to Olbia | 745.90 mi (1,200.40 km) |
| Northeim to Oleggio | 426.50 mi (686.39 km) |
| Northeim to Olgiate Comasco | 411.96 mi (662.99 km) |
| Northeim to Olgiate Olona | 422.71 mi (680.28 km) |
| Northeim to Omegna | 409.18 mi (658.50 km) |
| Northeim to Opera | 438.37 mi (705.49 km) |
| Northeim to Oppeano | 445.94 mi (717.67 km) |
| Northeim to Orbassano | 476.43 mi (766.75 km) |
| Northeim to Orbetello | 642.82 mi (1,034.51 km) |
