| Allentown to Kidricevo | 4,327.73 mi (6,964.81 km) |
| Allentown to Kobarid | 4,242.28 mi (6,827.28 km) |
| Allentown to Kobilje | 4,341.97 mi (6,987.72 km) |
| Allentown to Kocevje | 4,316.49 mi (6,946.72 km) |
| Allentown to Komen | 4,264.43 mi (6,862.94 km) |
| Allentown to Komenda | 4,283.26 mi (6,893.24 km) |
| Allentown to Koper | 4,273.03 mi (6,876.78 km) |
| Allentown to Kostanjevica na Krki | 4,332.53 mi (6,972.54 km) |
| Allentown to Kostel | 4,323.38 mi (6,957.81 km) |
| Allentown to Kozje | 4,329.86 mi (6,968.24 km) |
| Allentown to Kranj | 4,275.25 mi (6,880.36 km) |
| Allentown to Kranjska Gora | 4,242.60 mi (6,827.81 km) |
| Allentown to Krizevci | 4,335.97 mi (6,978.07 km) |
| Allentown to Krsko | 4,331.21 mi (6,970.41 km) |
| Allentown to Kuzma | 4,323.98 mi (6,958.77 km) |
