| Gourock to Jozefow | 1,082.24 mi (1,741.69 km) |
| Gourock to Kalisz | 971.93 mi (1,564.17 km) |
| Gourock to Kamien Pomorski | 786.31 mi (1,265.44 km) |
| Gourock to Kamienna Gora | 926.30 mi (1,490.73 km) |
| Gourock to Karczew | 1,084.31 mi (1,745.03 km) |
| Gourock to Kartuzy | 911.47 mi (1,466.87 km) |
| Gourock to Katowice | 1,057.11 mi (1,701.25 km) |
| Gourock to Kedzierzyn-Kozle | 1,023.26 mi (1,646.78 km) |
| Gourock to Kepno | 983.20 mi (1,582.32 km) |
| Gourock to Ketrzyn | 1,039.49 mi (1,672.90 km) |
| Gourock to Kety | 1,077.91 mi (1,734.73 km) |
| Gourock to Kielce | 1,097.90 mi (1,766.90 km) |
| Gourock to Kielczow | 957.27 mi (1,540.57 km) |
| Gourock to Klobuck | 1,031.51 mi (1,660.06 km) |
| Gourock to Klodzko | 961.95 mi (1,548.11 km) |
