| Allentown to Kamen | 3,835.44 mi (6,172.55 km) |
| Allentown to Kamenz | 4,094.55 mi (6,589.54 km) |
| Allentown to Kamp-Lintfort | 3,793.38 mi (6,104.85 km) |
| Allentown to Kandel | 3,929.48 mi (6,323.88 km) |
| Allentown to Kappeln | 3,836.64 mi (6,174.48 km) |
| Allentown to Karben | 3,918.22 mi (6,305.77 km) |
| Allentown to Karlsdorf-Neuthard | 3,941.89 mi (6,343.86 km) |
| Allentown to Karlsfeld | 4,089.54 mi (6,581.48 km) |
| Allentown to Karlsruhe | 3,940.02 mi (6,340.86 km) |
| Allentown to Kassel | 3,915.15 mi (6,300.82 km) |
| Allentown to Kaufbeuren | 4,065.95 mi (6,543.51 km) |
| Allentown to Kaufering | 4,070.08 mi (6,550.17 km) |
| Allentown to Kaufungen | 3,920.89 mi (6,310.06 km) |
| Allentown to Kehl | 3,929.27 mi (6,323.54 km) |
| Allentown to Kelheim | 4,083.04 mi (6,571.01 km) |
