| Upminster to Kidricevo | 787.55 mi (1,267.44 km) |
| Upminster to Kobarid | 706.20 mi (1,136.52 km) |
| Upminster to Kobilje | 801.65 mi (1,290.14 km) |
| Upminster to Kocevje | 780.48 mi (1,256.07 km) |
| Upminster to Komen | 730.70 mi (1,175.94 km) |
| Upminster to Komenda | 745.16 mi (1,199.22 km) |
| Upminster to Koper | 741.42 mi (1,193.21 km) |
| Upminster to Kostanjevica na Krki | 794.27 mi (1,278.26 km) |
| Upminster to Kostel | 788.02 mi (1,268.20 km) |
| Upminster to Kozje | 790.61 mi (1,272.36 km) |
| Upminster to Kranj | 737.38 mi (1,186.70 km) |
| Upminster to Kranjska Gora | 704.75 mi (1,134.18 km) |
| Upminster to Krizevci | 795.58 mi (1,280.37 km) |
| Upminster to Krsko | 792.46 mi (1,275.34 km) |
| Upminster to Kuzma | 783.68 mi (1,261.21 km) |
