| Keystone to Islahiye | 6,455.81 mi (10,389.63 km) |
| Keystone to Isparta | 6,160.59 mi (9,914.52 km) |
| Keystone to Istanbul | 5,961.13 mi (9,593.51 km) |
| Keystone to Izmir | 5,982.18 mi (9,627.38 km) |
| Keystone to Kadinhani | 6,213.74 mi (10,000.05 km) |
| Keystone to Kadirli | 6,417.97 mi (10,328.72 km) |
| Keystone to Kagithane | 5,959.32 mi (9,590.60 km) |
| Keystone to Kahramanmaras | 6,443.83 mi (10,370.34 km) |
| Keystone to Kahta | 6,505.41 mi (10,469.44 km) |
| Keystone to Kaman | 6,231.73 mi (10,029.01 km) |
| Keystone to Kangal | 6,389.36 mi (10,282.68 km) |
| Keystone to Kapakli | 5,906.24 mi (9,505.18 km) |
| Keystone to Karaagac | 6,454.48 mi (10,387.48 km) |
| Keystone to Karaagac | 5,906.81 mi (9,506.09 km) |
| Keystone to Karabuk | 6,108.49 mi (9,830.67 km) |
