| Langenfeld to Klaukkala | 937.27 mi (1,508.38 km) |
| Langenfeld to Kokkola | 1,058.14 mi (1,702.91 km) |
| Langenfeld to Kontiolahti | 1,168.42 mi (1,880.39 km) |
| Langenfeld to Korsholm | 990.92 mi (1,594.73 km) |
| Langenfeld to Kotka | 1,003.10 mi (1,614.33 km) |
| Langenfeld to Kouvola | 1,010.98 mi (1,627.01 km) |
| Langenfeld to Kuhmo | 1,213.80 mi (1,953.42 km) |
| Langenfeld to Kuopio | 1,117.26 mi (1,798.05 km) |
| Langenfeld to Kurikka | 980.38 mi (1,577.78 km) |
| Langenfeld to Kuusamo | 1,287.32 mi (2,071.74 km) |
| Langenfeld to Kuusankoski | 1,010.22 mi (1,625.79 km) |
| Langenfeld to Lahti | 986.12 mi (1,587.00 km) |
| Langenfeld to Laitila | 879.17 mi (1,414.88 km) |
| Langenfeld to Lapinlahti | 1,130.17 mi (1,818.83 km) |
| Langenfeld to Lappeenranta | 1,060.35 mi (1,706.47 km) |
