| Willow Grove to Krosno Odrzanskie | 4,115.75 mi (6,623.66 km) |
| Willow Grove to Krotoszyn | 4,214.84 mi (6,783.13 km) |
| Willow Grove to Kruszwica | 4,214.45 mi (6,782.50 km) |
| Willow Grove to Krynica | 4,427.94 mi (7,126.08 km) |
| Willow Grove to Krzeszowice | 4,351.55 mi (7,003.14 km) |
| Willow Grove to Kudowa-Zdroj | 4,211.41 mi (6,777.61 km) |
| Willow Grove to Kutno | 4,267.59 mi (6,868.02 km) |
| Willow Grove to Kwidzyn | 4,200.51 mi (6,760.06 km) |
| Willow Grove to Lancut | 4,451.69 mi (7,164.29 km) |
| Willow Grove to Lapy | 4,367.25 mi (7,028.40 km) |
| Willow Grove to Lask | 4,281.33 mi (6,890.14 km) |
| Willow Grove to Laziska Gorne | 4,321.22 mi (6,954.33 km) |
| Willow Grove to Lebork | 4,131.65 mi (6,649.24 km) |
| Willow Grove to Leczna | 4,429.50 mi (7,128.59 km) |
| Willow Grove to Leczyca | 4,267.83 mi (6,868.40 km) |
