| Willow Grove to Koscian | 4,172.25 mi (6,714.58 km) |
| Willow Grove to Koscielisko | 4,391.75 mi (7,067.84 km) |
| Willow Grove to Koscierzyna | 4,154.05 mi (6,685.30 km) |
| Willow Grove to Kostrzyn | 4,183.22 mi (6,732.25 km) |
| Willow Grove to Kostrzyn nad Odra | 4,081.90 mi (6,569.19 km) |
| Willow Grove to Koszalin | 4,086.91 mi (6,577.25 km) |
| Willow Grove to Kowary | 4,184.03 mi (6,733.55 km) |
| Willow Grove to Kozienice | 4,371.10 mi (7,034.61 km) |
| Willow Grove to Kozuchow | 4,143.73 mi (6,668.70 km) |
| Willow Grove to Kozy | 4,342.71 mi (6,988.91 km) |
| Willow Grove to Krakow | 4,365.64 mi (7,025.82 km) |
| Willow Grove to Krapkowice | 4,276.53 mi (6,882.41 km) |
| Willow Grove to Krasnik | 4,419.40 mi (7,112.33 km) |
| Willow Grove to Krasnystaw | 4,452.30 mi (7,165.28 km) |
| Willow Grove to Krosno | 4,447.92 mi (7,158.23 km) |
