| Langenthal to Jozefow | 689.16 mi (1,109.09 km) |
| Langenthal to Kalisz | 557.78 mi (897.66 km) |
| Langenthal to Kamien Pomorski | 557.71 mi (897.55 km) |
| Langenthal to Kamienna Gora | 447.45 mi (720.11 km) |
| Langenthal to Karczew | 688.40 mi (1,107.87 km) |
| Langenthal to Kartuzy | 668.67 mi (1,076.11 km) |
| Langenthal to Katowice | 552.82 mi (889.68 km) |
| Langenthal to Kedzierzyn-Kozle | 520.71 mi (838.00 km) |
| Langenthal to Kepno | 538.34 mi (866.37 km) |
| Langenthal to Ketrzyn | 759.44 mi (1,222.20 km) |
| Langenthal to Kety | 554.07 mi (891.68 km) |
| Langenthal to Kielce | 633.36 mi (1,019.29 km) |
| Langenthal to Kielczow | 502.97 mi (809.46 km) |
| Langenthal to Klobuck | 565.00 mi (909.27 km) |
| Langenthal to Klodzko | 460.08 mi (740.43 km) |
