| Gourock to Islahiye | 2,314.09 mi (3,724.17 km) |
| Gourock to Isparta | 2,054.52 mi (3,306.42 km) |
| Gourock to Istanbul | 1,831.20 mi (2,947.03 km) |
| Gourock to Izmir | 1,899.64 mi (3,057.17 km) |
| Gourock to Kadinhani | 2,089.50 mi (3,362.73 km) |
| Gourock to Kadirli | 2,276.68 mi (3,663.96 km) |
| Gourock to Kagithane | 1,828.73 mi (2,943.05 km) |
| Gourock to Kahramanmaras | 2,296.76 mi (3,696.28 km) |
| Gourock to Kahta | 2,350.00 mi (3,781.97 km) |
| Gourock to Kaman | 2,088.46 mi (3,361.05 km) |
| Gourock to Kangal | 2,231.35 mi (3,591.01 km) |
| Gourock to Kapakli | 1,779.51 mi (2,863.85 km) |
| Gourock to Karaagac | 2,319.15 mi (3,732.31 km) |
| Gourock to Karaagac | 1,780.56 mi (2,865.53 km) |
| Gourock to Karabuk | 1,957.46 mi (3,150.23 km) |
