| Upminster to Kluczbork | 775.68 mi (1,248.33 km) |
| Upminster to Knurow | 806.56 mi (1,298.03 km) |
| Upminster to Kobylka | 890.71 mi (1,433.47 km) |
| Upminster to Kokoszki | 781.04 mi (1,256.96 km) |
| Upminster to Kolbuszowa | 938.39 mi (1,510.20 km) |
| Upminster to Kolno | 917.66 mi (1,476.84 km) |
| Upminster to Kolo | 783.23 mi (1,260.48 km) |
| Upminster to Kolobrzeg | 662.85 mi (1,066.76 km) |
| Upminster to Koluszki | 835.60 mi (1,344.77 km) |
| Upminster to Komorniki | 701.29 mi (1,128.62 km) |
| Upminster to Konin | 767.66 mi (1,235.43 km) |
| Upminster to Konskie | 867.26 mi (1,395.72 km) |
| Upminster to Konstancin-Jeziorna | 888.83 mi (1,430.43 km) |
| Upminster to Konstantynow Lodzki | 815.77 mi (1,312.86 km) |
| Upminster to Koronowo | 752.67 mi (1,211.31 km) |
