| Williamstown to Ilawa | 4,246.36 mi (6,833.86 km) |
| Williamstown to Imielin | 4,352.56 mi (7,004.77 km) |
| Williamstown to Inowroclaw | 4,225.96 mi (6,801.02 km) |
| Williamstown to Janow Lubelski | 4,451.84 mi (7,164.55 km) |
| Williamstown to Jarocin | 4,225.18 mi (6,799.78 km) |
| Williamstown to Jaroslaw | 4,487.50 mi (7,221.93 km) |
| Williamstown to Jasien | 4,185.87 mi (6,736.50 km) |
| Williamstown to Jaslo | 4,452.07 mi (7,164.91 km) |
| Williamstown to Jastrzebie-Zdroj | 4,334.72 mi (6,976.05 km) |
| Williamstown to Jawor | 4,206.20 mi (6,769.23 km) |
| Williamstown to Jaworzno | 4,352.10 mi (7,004.02 km) |
| Williamstown to Jedrzejow | 4,375.92 mi (7,042.36 km) |
| Williamstown to Jelcz-Laskowice | 4,249.97 mi (6,839.67 km) |
| Williamstown to Jelenia Gora | 4,193.13 mi (6,748.19 km) |
| Williamstown to Jozefoslaw | 4,351.52 mi (7,003.10 km) |
