| Pottstown to Jozefow | 4,352.91 mi (7,005.34 km) |
| Pottstown to Kalisz | 4,250.92 mi (6,841.20 km) |
| Pottstown to Kamien Pomorski | 4,056.94 mi (6,529.02 km) |
| Pottstown to Kamienna Gora | 4,207.17 mi (6,770.78 km) |
| Pottstown to Karczew | 4,355.33 mi (7,009.23 km) |
| Pottstown to Kartuzy | 4,167.98 mi (6,707.71 km) |
| Pottstown to Katowice | 4,338.38 mi (6,981.95 km) |
| Pottstown to Kedzierzyn-Kozle | 4,304.51 mi (6,927.44 km) |
| Pottstown to Kepno | 4,263.72 mi (6,861.80 km) |
| Pottstown to Ketrzyn | 4,288.11 mi (6,901.04 km) |
| Pottstown to Kety | 4,359.13 mi (7,015.35 km) |
| Pottstown to Kielce | 4,376.87 mi (7,043.89 km) |
| Pottstown to Kielczow | 4,238.44 mi (6,821.10 km) |
| Pottstown to Klobuck | 4,312.09 mi (6,939.65 km) |
| Pottstown to Klodzko | 4,242.60 mi (6,827.81 km) |
