| Upminster to Islahiye | 2,031.05 mi (3,268.66 km) |
| Upminster to Isparta | 1,748.78 mi (2,814.39 km) |
| Upminster to Istanbul | 1,538.07 mi (2,475.28 km) |
| Upminster to Izmir | 1,582.40 mi (2,546.63 km) |
| Upminster to Kadinhani | 1,793.75 mi (2,886.77 km) |
| Upminster to Kadirli | 1,993.23 mi (3,207.79 km) |
| Upminster to Kagithane | 1,536.06 mi (2,472.05 km) |
| Upminster to Kahramanmaras | 2,018.23 mi (3,248.03 km) |
| Upminster to Kahta | 2,080.13 mi (3,347.65 km) |
| Upminster to Kaman | 1,806.36 mi (2,907.06 km) |
| Upminster to Kangal | 1,965.09 mi (3,162.51 km) |
| Upminster to Kapakli | 1,483.94 mi (2,388.18 km) |
| Upminster to Karaagac | 2,031.39 mi (3,269.21 km) |
| Upminster to Karaagac | 1,484.67 mi (2,389.35 km) |
| Upminster to Karabuk | 1,682.96 mi (2,708.47 km) |
