| Welling to Kluczbork | 782.25 mi (1,258.92 km) |
| Welling to Knurow | 812.75 mi (1,307.99 km) |
| Welling to Kobylka | 898.04 mi (1,445.26 km) |
| Welling to Kokoszki | 789.15 mi (1,270.02 km) |
| Welling to Kolbuszowa | 944.84 mi (1,520.57 km) |
| Welling to Kolno | 925.41 mi (1,489.30 km) |
| Welling to Kolo | 790.44 mi (1,272.09 km) |
| Welling to Kolobrzeg | 670.99 mi (1,079.86 km) |
| Welling to Koluszki | 842.63 mi (1,356.09 km) |
| Welling to Komorniki | 708.51 mi (1,140.23 km) |
| Welling to Konin | 774.88 mi (1,247.05 km) |
| Welling to Konskie | 874.07 mi (1,406.68 km) |
| Welling to Konstancin-Jeziorna | 896.05 mi (1,442.05 km) |
| Welling to Konstantynow Lodzki | 822.79 mi (1,324.16 km) |
| Welling to Koronowo | 760.39 mi (1,223.73 km) |
