| Herent to Knurow | 615.95 mi (991.27 km) |
| Herent to Kobylka | 714.27 mi (1,149.51 km) |
| Herent to Kokoszki | 625.27 mi (1,006.28 km) |
| Herent to Kolbuszowa | 749.79 mi (1,206.66 km) |
| Herent to Kolno | 749.86 mi (1,206.78 km) |
| Herent to Kolo | 605.48 mi (974.42 km) |
| Herent to Kolobrzeg | 510.14 mi (820.99 km) |
| Herent to Koluszki | 654.57 mi (1,053.44 km) |
| Herent to Komorniki | 524.23 mi (843.67 km) |
| Herent to Konin | 590.04 mi (949.58 km) |
| Herent to Konskie | 682.86 mi (1,098.96 km) |
| Herent to Konstancin-Jeziorna | 710.53 mi (1,143.49 km) |
| Herent to Konstantynow Lodzki | 634.61 mi (1,021.31 km) |
| Herent to Koronowo | 585.85 mi (942.84 km) |
| Herent to Koscian | 521.04 mi (838.53 km) |
