| Willow Grove to Kamen | 3,841.96 mi (6,183.04 km) |
| Willow Grove to Kamenz | 4,102.12 mi (6,601.73 km) |
| Willow Grove to Kamp-Lintfort | 3,799.62 mi (6,114.89 km) |
| Willow Grove to Kandel | 3,934.38 mi (6,331.77 km) |
| Willow Grove to Kappeln | 3,845.68 mi (6,189.02 km) |
| Willow Grove to Karben | 3,924.02 mi (6,315.10 km) |
| Willow Grove to Karlsdorf-Neuthard | 3,946.90 mi (6,351.92 km) |
| Willow Grove to Karlsfeld | 4,094.58 mi (6,589.60 km) |
| Willow Grove to Karlsruhe | 3,944.92 mi (6,348.73 km) |
| Willow Grove to Kassel | 3,921.83 mi (6,311.57 km) |
| Willow Grove to Kaufbeuren | 4,070.58 mi (6,550.96 km) |
| Willow Grove to Kaufering | 4,074.91 mi (6,557.93 km) |
| Willow Grove to Kaufungen | 3,927.57 mi (6,320.81 km) |
| Willow Grove to Kehl | 3,933.74 mi (6,330.74 km) |
| Willow Grove to Kelheim | 4,088.62 mi (6,580.00 km) |
