| Boom to Knurow | 629.04 mi (1,012.35 km) |
| Boom to Kobylka | 724.20 mi (1,165.48 km) |
| Boom to Kokoszki | 631.52 mi (1,016.34 km) |
| Boom to Kolbuszowa | 762.39 mi (1,226.95 km) |
| Boom to Kolno | 758.26 mi (1,220.30 km) |
| Boom to Kolo | 615.55 mi (990.62 km) |
| Boom to Kolobrzeg | 515.63 mi (829.83 km) |
| Boom to Koluszki | 665.37 mi (1,070.81 km) |
| Boom to Komorniki | 534.05 mi (859.47 km) |
| Boom to Konin | 600.07 mi (965.71 km) |
| Boom to Konskie | 694.41 mi (1,117.55 km) |
| Boom to Konstancin-Jeziorna | 720.82 mi (1,160.04 km) |
| Boom to Konstantynow Lodzki | 645.42 mi (1,038.70 km) |
| Boom to Koronowo | 593.86 mi (955.72 km) |
| Boom to Koscian | 531.21 mi (854.90 km) |
