| Borehamwood to Koscian | 720.88 mi (1,160.15 km) |
| Borehamwood to Koscielisko | 898.40 mi (1,445.83 km) |
| Borehamwood to Koscierzyna | 777.45 mi (1,251.18 km) |
| Borehamwood to Kostrzyn | 743.66 mi (1,196.81 km) |
| Borehamwood to Kostrzyn nad Odra | 635.82 mi (1,023.26 km) |
| Borehamwood to Koszalin | 705.73 mi (1,135.76 km) |
| Borehamwood to Kowary | 698.04 mi (1,123.38 km) |
| Borehamwood to Kozienice | 933.36 mi (1,502.09 km) |
| Borehamwood to Kozuchow | 678.32 mi (1,091.65 km) |
| Borehamwood to Kozy | 855.20 mi (1,376.31 km) |
| Borehamwood to Krakow | 885.38 mi (1,424.89 km) |
| Borehamwood to Krapkowice | 794.17 mi (1,278.09 km) |
| Borehamwood to Krasnik | 969.29 mi (1,559.93 km) |
| Borehamwood to Krasnystaw | 1,009.54 mi (1,624.70 km) |
| Borehamwood to Krosno | 970.16 mi (1,561.33 km) |
