| Willow Grove to Kidricevo | 4,332.67 mi (6,972.76 km) |
| Willow Grove to Kobarid | 4,246.57 mi (6,834.19 km) |
| Willow Grove to Kobilje | 4,347.23 mi (6,996.18 km) |
| Willow Grove to Kocevje | 4,320.73 mi (6,953.55 km) |
| Willow Grove to Komen | 4,268.50 mi (6,869.49 km) |
| Willow Grove to Komenda | 4,287.76 mi (6,900.49 km) |
| Willow Grove to Koper | 4,276.93 mi (6,883.06 km) |
| Willow Grove to Kostanjevica na Krki | 4,337.04 mi (6,979.79 km) |
| Willow Grove to Kostel | 4,327.55 mi (6,964.52 km) |
| Willow Grove to Kozje | 4,334.54 mi (6,975.78 km) |
| Willow Grove to Kranj | 4,279.73 mi (6,887.57 km) |
| Willow Grove to Kranjska Gora | 4,247.10 mi (6,835.04 km) |
| Willow Grove to Krizevci | 4,341.09 mi (6,986.31 km) |
| Willow Grove to Krsko | 4,335.80 mi (6,977.79 km) |
| Willow Grove to Kuzma | 4,329.25 mi (6,967.25 km) |
