| Willow Grove to Kluczbork | 4,268.13 mi (6,868.89 km) |
| Willow Grove to Knurow | 4,312.53 mi (6,940.34 km) |
| Willow Grove to Kobylka | 4,330.71 mi (6,969.61 km) |
| Willow Grove to Kokoszki | 4,164.29 mi (6,701.78 km) |
| Willow Grove to Kolbuszowa | 4,427.46 mi (7,125.31 km) |
| Willow Grove to Kolno | 4,318.31 mi (6,949.64 km) |
| Willow Grove to Kolo | 4,241.82 mi (6,826.55 km) |
| Willow Grove to Kolobrzeg | 4,065.77 mi (6,543.22 km) |
| Willow Grove to Koluszki | 4,300.37 mi (6,920.78 km) |
| Willow Grove to Komorniki | 4,168.07 mi (6,707.86 km) |
| Willow Grove to Konin | 4,227.75 mi (6,803.90 km) |
| Willow Grove to Konskie | 4,342.67 mi (6,988.85 km) |
| Willow Grove to Konstancin-Jeziorna | 4,336.66 mi (6,979.18 km) |
| Willow Grove to Konstantynow Lodzki | 4,283.17 mi (6,893.09 km) |
| Willow Grove to Koronowo | 4,178.64 mi (6,724.87 km) |
