| Allentown to Krosno Odrzanskie | 4,107.48 mi (6,610.34 km) |
| Allentown to Krotoszyn | 4,206.30 mi (6,769.38 km) |
| Allentown to Kruszwica | 4,205.11 mi (6,767.46 km) |
| Allentown to Krynica | 4,419.95 mi (7,113.22 km) |
| Allentown to Krzeszowice | 4,343.45 mi (6,990.10 km) |
| Allentown to Kudowa-Zdroj | 4,203.89 mi (6,765.51 km) |
| Allentown to Kutno | 4,258.29 mi (6,853.06 km) |
| Allentown to Kwidzyn | 4,190.39 mi (6,743.79 km) |
| Allentown to Lancut | 4,443.01 mi (7,150.33 km) |
| Allentown to Lapy | 4,356.75 mi (7,011.51 km) |
| Allentown to Lask | 4,272.48 mi (6,875.89 km) |
| Allentown to Laziska Gorne | 4,313.29 mi (6,941.57 km) |
| Allentown to Lebork | 4,121.27 mi (6,632.54 km) |
| Allentown to Leczna | 4,419.96 mi (7,113.25 km) |
| Allentown to Leczyca | 4,258.68 mi (6,853.68 km) |
