| Forest to Koscielisko | 697.00 mi (1,121.72 km) |
| Forest to Koscierzyna | 617.36 mi (993.55 km) |
| Forest to Kostrzyn | 563.35 mi (906.63 km) |
| Forest to Kostrzyn nad Odra | 459.08 mi (738.82 km) |
| Forest to Koszalin | 549.98 mi (885.11 km) |
| Forest to Kowary | 502.04 mi (807.95 km) |
| Forest to Kozienice | 746.66 mi (1,201.63 km) |
| Forest to Kozuchow | 491.06 mi (790.29 km) |
| Forest to Kozy | 655.90 mi (1,055.58 km) |
| Forest to Krakow | 687.73 mi (1,106.80 km) |
| Forest to Krapkowice | 597.40 mi (961.42 km) |
| Forest to Krasnik | 778.36 mi (1,252.65 km) |
| Forest to Krasnystaw | 819.65 mi (1,319.09 km) |
| Forest to Krosno | 772.03 mi (1,242.46 km) |
| Forest to Krosno Odrzanskie | 471.38 mi (758.61 km) |
