| Rockford to Ilawa | 4,585.21 mi (7,379.18 km) |
| Rockford to Imielin | 4,729.27 mi (7,611.02 km) |
| Rockford to Inowroclaw | 4,579.21 mi (7,369.52 km) |
| Rockford to Janow Lubelski | 4,807.39 mi (7,736.74 km) |
| Rockford to Jarocin | 4,590.63 mi (7,387.91 km) |
| Rockford to Jaroslaw | 4,848.70 mi (7,803.23 km) |
| Rockford to Jasien | 4,520.98 mi (7,275.81 km) |
| Rockford to Jaslo | 4,821.88 mi (7,760.06 km) |
| Rockford to Jastrzebie-Zdroj | 4,716.25 mi (7,590.07 km) |
| Rockford to Jawor | 4,587.12 mi (7,382.26 km) |
| Rockford to Jaworzno | 4,727.83 mi (7,608.71 km) |
| Rockford to Jedrzejow | 4,742.45 mi (7,632.23 km) |
| Rockford to Jelcz-Laskowice | 4,626.03 mi (7,444.87 km) |
| Rockford to Jelenia Gora | 4,577.65 mi (7,367.02 km) |
| Rockford to Jozefoslaw | 4,699.48 mi (7,563.08 km) |
