| Langenthal to Klaukkala | 1,136.02 mi (1,828.25 km) |
| Langenthal to Kokkola | 1,287.98 mi (2,072.80 km) |
| Langenthal to Kontiolahti | 1,371.00 mi (2,206.41 km) |
| Langenthal to Korsholm | 1,221.49 mi (1,965.80 km) |
| Langenthal to Kotka | 1,194.32 mi (1,922.07 km) |
| Langenthal to Kouvola | 1,206.94 mi (1,942.39 km) |
| Langenthal to Kuhmo | 1,427.35 mi (2,297.10 km) |
| Langenthal to Kuopio | 1,327.10 mi (2,135.75 km) |
| Langenthal to Kurikka | 1,205.60 mi (1,940.23 km) |
| Langenthal to Kuusamo | 1,512.91 mi (2,434.79 km) |
| Langenthal to Kuusankoski | 1,206.85 mi (1,942.24 km) |
| Langenthal to Lahti | 1,186.99 mi (1,910.28 km) |
| Langenthal to Laitila | 1,095.05 mi (1,762.31 km) |
| Langenthal to Lapinlahti | 1,344.32 mi (2,163.47 km) |
| Langenthal to Lappeenranta | 1,253.13 mi (2,016.71 km) |
