| Grimbergen to Koscielisko | 694.89 mi (1,118.32 km) |
| Grimbergen to Koscierzyna | 611.35 mi (983.87 km) |
| Grimbergen to Kostrzyn | 558.63 mi (899.03 km) |
| Grimbergen to Kostrzyn nad Odra | 453.95 mi (730.57 km) |
| Grimbergen to Koszalin | 543.67 mi (874.96 km) |
| Grimbergen to Kowary | 498.94 mi (802.96 km) |
| Grimbergen to Kozienice | 742.64 mi (1,195.16 km) |
| Grimbergen to Kozuchow | 486.91 mi (783.60 km) |
| Grimbergen to Kozy | 653.40 mi (1,051.54 km) |
| Grimbergen to Krakow | 684.98 mi (1,102.37 km) |
| Grimbergen to Krapkowice | 594.47 mi (956.71 km) |
| Grimbergen to Krasnik | 774.79 mi (1,246.90 km) |
| Grimbergen to Krasnystaw | 815.98 mi (1,313.19 km) |
| Grimbergen to Krosno | 769.38 mi (1,238.19 km) |
| Grimbergen to Krosno Odrzanskie | 466.89 mi (751.38 km) |
