| Northeim to Kalisz | 345.55 mi (556.12 km) |
| Northeim to Kamien Pomorski | 253.11 mi (407.34 km) |
| Northeim to Kamienna Gora | 268.50 mi (432.12 km) |
| Northeim to Karczew | 479.85 mi (772.25 km) |
| Northeim to Kartuzy | 385.75 mi (620.80 km) |
| Northeim to Katowice | 404.26 mi (650.59 km) |
| Northeim to Kedzierzyn-Kozle | 368.19 mi (592.54 km) |
| Northeim to Kepno | 344.43 mi (554.31 km) |
| Northeim to Ketrzyn | 501.38 mi (806.89 km) |
| Northeim to Kety | 420.99 mi (677.51 km) |
| Northeim to Kielce | 462.57 mi (744.44 km) |
| Northeim to Kielczow | 311.55 mi (501.40 km) |
| Northeim to Klobuck | 389.36 mi (626.62 km) |
| Northeim to Klodzko | 301.65 mi (485.47 km) |
| Northeim to Kluczbork | 357.88 mi (575.94 km) |
