| Slough to Kluczbork | 811.89 mi (1,306.62 km) |
| Slough to Knurow | 842.68 mi (1,356.17 km) |
| Slough to Kobylka | 926.69 mi (1,491.36 km) |
| Slough to Kokoszki | 815.81 mi (1,312.92 km) |
| Slough to Kolbuszowa | 974.59 mi (1,568.46 km) |
| Slough to Kolno | 953.16 mi (1,533.97 km) |
| Slough to Kolo | 819.28 mi (1,318.50 km) |
| Slough to Kolobrzeg | 697.57 mi (1,122.63 km) |
| Slough to Koluszki | 871.75 mi (1,402.94 km) |
| Slough to Komorniki | 737.34 mi (1,186.64 km) |
| Slough to Konin | 803.72 mi (1,293.46 km) |
| Slough to Konskie | 903.47 mi (1,454.00 km) |
| Slough to Konstancin-Jeziorna | 924.88 mi (1,488.44 km) |
| Slough to Konstantynow Lodzki | 851.92 mi (1,371.04 km) |
| Slough to Koronowo | 788.21 mi (1,268.50 km) |
