| Helensburgh to Kidricevo | 1,102.31 mi (1,774.00 km) |
| Helensburgh to Kobarid | 1,036.45 mi (1,668.00 km) |
| Helensburgh to Kobilje | 1,109.47 mi (1,785.52 km) |
| Helensburgh to Kocevje | 1,108.84 mi (1,784.50 km) |
| Helensburgh to Komen | 1,064.02 mi (1,712.38 km) |
| Helensburgh to Komenda | 1,069.87 mi (1,721.79 km) |
| Helensburgh to Koper | 1,077.22 mi (1,733.62 km) |
| Helensburgh to Kostanjevica na Krki | 1,117.28 mi (1,798.08 km) |
| Helensburgh to Kostel | 1,117.32 mi (1,798.16 km) |
| Helensburgh to Kozje | 1,110.46 mi (1,787.11 km) |
| Helensburgh to Kranj | 1,062.89 mi (1,710.55 km) |
| Helensburgh to Kranjska Gora | 1,031.22 mi (1,659.58 km) |
| Helensburgh to Krizevci | 1,106.42 mi (1,780.60 km) |
| Helensburgh to Krsko | 1,114.06 mi (1,792.91 km) |
| Helensburgh to Kuzma | 1,091.63 mi (1,756.80 km) |
