| Langenthal to Kamen | 302.33 mi (486.55 km) |
| Langenthal to Kamenz | 399.09 mi (642.28 km) |
| Langenthal to Kamp-Lintfort | 301.23 mi (484.79 km) |
| Langenthal to Kandel | 130.39 mi (209.85 km) |
| Langenthal to Kappeln | 522.74 mi (841.28 km) |
| Langenthal to Karben | 213.13 mi (342.99 km) |
| Langenthal to Karlsdorf-Neuthard | 137.19 mi (220.78 km) |
| Langenthal to Karlsfeld | 184.62 mi (297.11 km) |
| Langenthal to Karlsruhe | 127.12 mi (204.57 km) |
| Langenthal to Kassel | 293.56 mi (472.44 km) |
| Langenthal to Kaufbeuren | 140.11 mi (225.48 km) |
| Langenthal to Kaufering | 156.21 mi (251.39 km) |
| Langenthal to Kaufungen | 292.74 mi (471.12 km) |
| Langenthal to Kehl | 93.29 mi (150.13 km) |
| Langenthal to Kelheim | 222.09 mi (357.42 km) |
