| Harker Heights to Islahiye | 6,881.96 mi (11,075.44 km) |
| Harker Heights to Isparta | 6,626.32 mi (10,664.04 km) |
| Harker Heights to Istanbul | 6,403.90 mi (10,306.08 km) |
| Harker Heights to Izmir | 6,465.22 mi (10,404.77 km) |
| Harker Heights to Kadinhani | 6,662.24 mi (10,721.84 km) |
| Harker Heights to Kadirli | 6,844.99 mi (11,015.94 km) |
| Harker Heights to Kagithane | 6,401.39 mi (10,302.04 km) |
| Harker Heights to Kahramanmaras | 6,861.88 mi (11,043.14 km) |
| Harker Heights to Kahta | 6,907.40 mi (11,116.39 km) |
| Harker Heights to Kaman | 6,657.14 mi (10,713.62 km) |
| Harker Heights to Kangal | 6,786.96 mi (10,922.56 km) |
| Harker Heights to Kapakli | 6,352.36 mi (10,223.14 km) |
| Harker Heights to Karaagac | 6,889.36 mi (11,087.35 km) |
| Harker Heights to Karaagac | 6,353.41 mi (10,224.83 km) |
| Harker Heights to Karabuk | 6,522.93 mi (10,497.64 km) |
