| Northeim to Koscielisko | 465.05 mi (748.42 km) |
| Northeim to Koscierzyna | 371.65 mi (598.12 km) |
| Northeim to Kostrzyn | 310.35 mi (499.45 km) |
| Northeim to Kostrzyn nad Odra | 206.93 mi (333.03 km) |
| Northeim to Koszalin | 309.51 mi (498.11 km) |
| Northeim to Kowary | 259.95 mi (418.35 km) |
| Northeim to Kozienice | 495.43 mi (797.31 km) |
| Northeim to Kozuchow | 239.57 mi (385.55 km) |
| Northeim to Kozy | 419.04 mi (674.38 km) |
| Northeim to Krakow | 447.39 mi (720.01 km) |
| Northeim to Krapkowice | 355.97 mi (572.88 km) |
| Northeim to Krasnik | 529.77 mi (852.58 km) |
| Northeim to Krasnystaw | 570.32 mi (917.84 km) |
| Northeim to Krosno | 532.22 mi (856.52 km) |
| Northeim to Krosno Odrzanskie | 218.65 mi (351.88 km) |
