| Brussels to Koscielisko | 695.90 mi (1,119.95 km) |
| Brussels to Koscierzyna | 615.23 mi (990.12 km) |
| Brussels to Kostrzyn | 561.54 mi (903.72 km) |
| Brussels to Kostrzyn nad Odra | 457.16 mi (735.73 km) |
| Brussels to Koszalin | 547.78 mi (881.56 km) |
| Brussels to Kowary | 500.66 mi (805.73 km) |
| Brussels to Kozienice | 745.03 mi (1,199.02 km) |
| Brussels to Kozuchow | 489.40 mi (787.62 km) |
| Brussels to Kozy | 654.69 mi (1,053.63 km) |
| Brussels to Krakow | 686.45 mi (1,104.74 km) |
| Brussels to Krapkowice | 596.07 mi (959.28 km) |
| Brussels to Krasnik | 776.86 mi (1,250.23 km) |
| Brussels to Krasnystaw | 818.12 mi (1,316.63 km) |
| Brussels to Krosno | 770.78 mi (1,240.45 km) |
| Brussels to Krosno Odrzanskie | 469.62 mi (755.79 km) |
