| Northeim to Orzesze | 395.62 mi (636.69 km) |
| Northeim to Osowa | 398.36 mi (641.10 km) |
| Northeim to Ostroda | 438.93 mi (706.39 km) |
| Northeim to Ostroleka | 496.11 mi (798.41 km) |
| Northeim to Ostrow Mazowiecka | 508.32 mi (818.06 km) |
| Northeim to Ostrow Wielkopolski | 334.70 mi (538.64 km) |
| Northeim to Ostrowiec Swietokrzyski | 494.60 mi (795.98 km) |
| Northeim to Ostrzeszow | 341.13 mi (549.00 km) |
| Northeim to Oswiecim | 417.89 mi (672.54 km) |
| Northeim to Otwock | 480.51 mi (773.31 km) |
| Northeim to Ozarow Mazowiecki | 460.68 mi (741.39 km) |
| Northeim to Ozimek | 362.50 mi (583.39 km) |
| Northeim to Ozorkow | 396.42 mi (637.98 km) |
| Northeim to Pabianice | 401.70 mi (646.48 km) |
| Northeim to Parczew | 550.61 mi (886.13 km) |
