| Pottstown to Ilawa | 4,241.33 mi (6,825.76 km) |
| Pottstown to Imielin | 4,350.73 mi (7,001.82 km) |
| Pottstown to Inowroclaw | 4,222.05 mi (6,794.73 km) |
| Pottstown to Janow Lubelski | 4,448.41 mi (7,159.02 km) |
| Pottstown to Jarocin | 4,222.27 mi (6,795.08 km) |
| Pottstown to Jaroslaw | 4,484.57 mi (7,217.21 km) |
| Pottstown to Jasien | 4,180.45 mi (6,727.79 km) |
| Pottstown to Jaslo | 4,449.79 mi (7,161.25 km) |
| Pottstown to Jastrzebie-Zdroj | 4,333.26 mi (6,973.71 km) |
| Pottstown to Jawor | 4,204.53 mi (6,766.54 km) |
| Pottstown to Jaworzno | 4,350.18 mi (7,000.94 km) |
| Pottstown to Jedrzejow | 4,373.28 mi (7,038.11 km) |
| Pottstown to Jelcz-Laskowice | 4,247.96 mi (6,836.42 km) |
| Pottstown to Jelenia Gora | 4,191.74 mi (6,745.96 km) |
| Pottstown to Jozefoslaw | 4,347.35 mi (6,996.39 km) |
