| Williamsport to Ilawa | 4,239.77 mi (6,823.25 km) |
| Williamsport to Imielin | 4,355.21 mi (7,009.03 km) |
| Williamsport to Inowroclaw | 4,222.66 mi (6,795.71 km) |
| Williamsport to Janow Lubelski | 4,449.78 mi (7,161.23 km) |
| Williamsport to Jarocin | 4,224.76 mi (6,799.10 km) |
| Williamsport to Jaroslaw | 4,486.87 mi (7,220.92 km) |
| Williamsport to Jasien | 4,178.21 mi (6,724.18 km) |
| Williamsport to Jaslo | 4,453.37 mi (7,167.01 km) |
| Williamsport to Jastrzebie-Zdroj | 4,338.47 mi (6,982.09 km) |
| Williamsport to Jawor | 4,209.42 mi (6,774.40 km) |
| Williamsport to Jaworzno | 4,354.51 mi (7,007.91 km) |
| Williamsport to Jedrzejow | 4,376.21 mi (7,042.84 km) |
| Williamsport to Jelcz-Laskowice | 4,252.15 mi (6,843.18 km) |
| Williamsport to Jelenia Gora | 4,197.17 mi (6,754.70 km) |
| Williamsport to Jozefoslaw | 4,347.38 mi (6,996.43 km) |
