| Helensburgh to Jozefow | 1,079.25 mi (1,736.88 km) |
| Helensburgh to Kalisz | 969.31 mi (1,559.96 km) |
| Helensburgh to Kamien Pomorski | 783.22 mi (1,260.46 km) |
| Helensburgh to Kamienna Gora | 924.21 mi (1,487.37 km) |
| Helensburgh to Karczew | 1,081.34 mi (1,740.24 km) |
| Helensburgh to Kartuzy | 908.04 mi (1,461.36 km) |
| Helensburgh to Katowice | 1,054.83 mi (1,697.59 km) |
| Helensburgh to Kedzierzyn-Kozle | 1,021.05 mi (1,643.22 km) |
| Helensburgh to Kepno | 980.74 mi (1,578.35 km) |
| Helensburgh to Ketrzyn | 1,035.97 mi (1,667.24 km) |
| Helensburgh to Kety | 1,075.71 mi (1,731.19 km) |
| Helensburgh to Kielce | 1,095.30 mi (1,762.71 km) |
| Helensburgh to Kielczow | 954.93 mi (1,536.82 km) |
| Helensburgh to Klobuck | 1,029.06 mi (1,656.11 km) |
| Helensburgh to Klodzko | 959.90 mi (1,544.81 km) |
