| Langenthal to Koscian | 519.35 mi (835.81 km) |
| Langenthal to Koscielisko | 574.02 mi (923.79 km) |
| Langenthal to Koscierzyna | 652.06 mi (1,049.39 km) |
| Langenthal to Kostrzyn | 551.60 mi (887.72 km) |
| Langenthal to Kostrzyn nad Odra | 480.79 mi (773.75 km) |
| Langenthal to Koszalin | 605.66 mi (974.72 km) |
| Langenthal to Kowary | 440.23 mi (708.48 km) |
| Langenthal to Kozienice | 687.83 mi (1,106.96 km) |
| Langenthal to Kozuchow | 469.87 mi (756.19 km) |
| Langenthal to Kozy | 550.60 mi (886.11 km) |
| Langenthal to Krakow | 587.87 mi (946.09 km) |
| Langenthal to Krapkowice | 514.06 mi (827.30 km) |
| Langenthal to Krasnik | 700.16 mi (1,126.80 km) |
| Langenthal to Krasnystaw | 741.98 mi (1,194.10 km) |
| Langenthal to Krosno | 661.27 mi (1,064.22 km) |
