| Helensburgh to Klaukkala | 1,104.55 mi (1,777.61 km) |
| Helensburgh to Kokkola | 1,093.09 mi (1,759.16 km) |
| Helensburgh to Kontiolahti | 1,283.86 mi (2,066.17 km) |
| Helensburgh to Korsholm | 1,035.92 mi (1,667.16 km) |
| Helensburgh to Kotka | 1,179.47 mi (1,898.17 km) |
| Helensburgh to Kouvola | 1,172.29 mi (1,886.62 km) |
| Helensburgh to Kuhmo | 1,285.95 mi (2,069.54 km) |
| Helensburgh to Kuopio | 1,216.82 mi (1,958.28 km) |
| Helensburgh to Kurikka | 1,049.26 mi (1,688.62 km) |
| Helensburgh to Kuusamo | 1,304.15 mi (2,098.83 km) |
| Helensburgh to Kuusankoski | 1,169.71 mi (1,882.47 km) |
| Helensburgh to Lahti | 1,137.40 mi (1,830.47 km) |
| Helensburgh to Laitila | 1,004.81 mi (1,617.09 km) |
| Helensburgh to Lapinlahti | 1,212.80 mi (1,951.81 km) |
| Helensburgh to Lappeenranta | 1,222.37 mi (1,967.21 km) |
