| Upminster to Krosno Odrzanskie | 634.28 mi (1,020.78 km) |
| Upminster to Krotoszyn | 735.44 mi (1,183.58 km) |
| Upminster to Kruszwica | 768.86 mi (1,237.35 km) |
| Upminster to Krynica | 918.99 mi (1,478.97 km) |
| Upminster to Krzeszowice | 848.75 mi (1,365.93 km) |
| Upminster to Kudowa-Zdroj | 698.10 mi (1,123.48 km) |
| Upminster to Kutno | 814.02 mi (1,310.04 km) |
| Upminster to Kwidzyn | 794.99 mi (1,279.42 km) |
| Upminster to Lancut | 961.52 mi (1,547.42 km) |
| Upminster to Lapy | 957.95 mi (1,541.68 km) |
| Upminster to Lask | 808.59 mi (1,301.30 km) |
| Upminster to Laziska Gorne | 814.82 mi (1,311.32 km) |
| Upminster to Lebork | 753.37 mi (1,212.43 km) |
| Upminster to Leczna | 971.25 mi (1,563.07 km) |
| Upminster to Leczyca | 808.01 mi (1,300.37 km) |
