| Hard to Knurow | 449.81 mi (723.90 km) |
| Hard to Kobylka | 610.71 mi (982.84 km) |
| Hard to Kokoszki | 608.92 mi (979.97 km) |
| Hard to Kolbuszowa | 580.27 mi (933.85 km) |
| Hard to Kolno | 674.91 mi (1,086.17 km) |
| Hard to Kolo | 513.88 mi (827.00 km) |
| Hard to Kolobrzeg | 528.20 mi (850.05 km) |
| Hard to Koluszki | 539.14 mi (867.67 km) |
| Hard to Komorniki | 453.89 mi (730.46 km) |
| Hard to Konin | 502.08 mi (808.02 km) |
| Hard to Konskie | 545.97 mi (878.66 km) |
| Hard to Konstancin-Jeziorna | 599.47 mi (964.75 km) |
| Hard to Konstantynow Lodzki | 521.82 mi (839.80 km) |
| Hard to Koronowo | 541.44 mi (871.37 km) |
| Hard to Koscian | 443.64 mi (713.97 km) |
