| Allentown to Kluczbork | 4,259.84 mi (6,855.55 km) |
| Allentown to Knurow | 4,304.59 mi (6,927.58 km) |
| Allentown to Kobylka | 4,320.96 mi (6,953.91 km) |
| Allentown to Kokoszki | 4,153.89 mi (6,685.04 km) |
| Allentown to Kolbuszowa | 4,418.79 mi (7,111.36 km) |
| Allentown to Kolno | 4,307.76 mi (6,932.68 km) |
| Allentown to Kolo | 4,232.70 mi (6,811.88 km) |
| Allentown to Kolobrzeg | 4,056.04 mi (6,527.57 km) |
| Allentown to Koluszki | 4,291.27 mi (6,906.14 km) |
| Allentown to Komorniki | 4,159.32 mi (6,693.78 km) |
| Allentown to Konin | 4,218.70 mi (6,789.34 km) |
| Allentown to Konskie | 4,333.76 mi (6,974.51 km) |
| Allentown to Konstancin-Jeziorna | 4,327.07 mi (6,963.75 km) |
| Allentown to Konstantynow Lodzki | 4,274.17 mi (6,878.61 km) |
| Allentown to Koronowo | 4,168.99 mi (6,709.34 km) |
