| Upminster to Kucukcekmece | 1,532.28 mi (2,465.97 km) |
| Upminster to Kucukkuyu | 1,508.66 mi (2,427.96 km) |
| Upminster to Kulp | 2,149.81 mi (3,459.78 km) |
| Upminster to Kulu | 1,791.41 mi (2,883.00 km) |
| Upminster to Kumcati | 2,249.82 mi (3,620.73 km) |
| Upminster to Kursunlu | 1,724.11 mi (2,774.69 km) |
| Upminster to Kurtalan | 2,203.82 mi (3,546.71 km) |
| Upminster to Kusadasi | 1,614.04 mi (2,597.55 km) |
| Upminster to Kutahya | 1,649.84 mi (2,655.17 km) |
| Upminster to Kuzuculu | 2,020.93 mi (3,252.37 km) |
| Upminster to Lapseki | 1,475.13 mi (2,373.98 km) |
| Upminster to Lice | 2,136.67 mi (3,438.63 km) |
| Upminster to Luleburgaz | 1,455.93 mi (2,343.09 km) |
| Upminster to Macka | 1,994.65 mi (3,210.08 km) |
| Upminster to Malatya | 2,042.52 mi (3,287.11 km) |
