| Holyhead to Islahiye | 2,260.10 mi (3,637.28 km) |
| Holyhead to Isparta | 1,983.34 mi (3,191.88 km) |
| Holyhead to Istanbul | 1,769.19 mi (2,847.24 km) |
| Holyhead to Izmir | 1,819.07 mi (2,927.50 km) |
| Holyhead to Kadinhani | 2,025.97 mi (3,260.49 km) |
| Holyhead to Kadirli | 2,222.35 mi (3,576.52 km) |
| Holyhead to Kagithane | 1,767.06 mi (2,843.80 km) |
| Holyhead to Kahramanmaras | 2,245.93 mi (3,614.47 km) |
| Holyhead to Kahta | 2,305.22 mi (3,709.89 km) |
| Holyhead to Kaman | 2,034.80 mi (3,274.70 km) |
| Holyhead to Kangal | 2,188.81 mi (3,522.54 km) |
| Holyhead to Kapakli | 1,715.63 mi (2,761.04 km) |
| Holyhead to Karaagac | 2,261.78 mi (3,639.99 km) |
| Holyhead to Karaagac | 1,716.44 mi (2,762.35 km) |
| Holyhead to Karabuk | 1,908.82 mi (3,071.95 km) |
