| Pottstown to Kluczbork | 4,282.91 mi (6,892.68 km) |
| Pottstown to Knurow | 4,327.55 mi (6,964.52 km) |
| Pottstown to Kobylka | 4,344.45 mi (6,991.72 km) |
| Pottstown to Kokoszki | 4,177.56 mi (6,723.14 km) |
| Pottstown to Kolbuszowa | 4,441.97 mi (7,148.67 km) |
| Pottstown to Kolno | 4,331.48 mi (6,970.84 km) |
| Pottstown to Kolo | 4,256.02 mi (6,849.40 km) |
| Pottstown to Kolobrzeg | 4,079.53 mi (6,565.37 km) |
| Pottstown to Koluszki | 4,314.58 mi (6,943.65 km) |
| Pottstown to Komorniki | 4,182.53 mi (6,731.13 km) |
| Pottstown to Konin | 4,241.99 mi (6,826.83 km) |
| Pottstown to Konskie | 4,357.01 mi (7,011.93 km) |
| Pottstown to Konstancin-Jeziorna | 4,350.52 mi (7,001.48 km) |
| Pottstown to Konstantynow Lodzki | 4,297.45 mi (6,916.08 km) |
| Pottstown to Koronowo | 4,192.45 mi (6,747.10 km) |
