| Portage to Ilawa | 4,477.62 mi (7,206.04 km) |
| Portage to Imielin | 4,614.27 mi (7,425.95 km) |
| Portage to Inowroclaw | 4,468.62 mi (7,191.54 km) |
| Portage to Janow Lubelski | 4,696.97 mi (7,559.04 km) |
| Portage to Jarocin | 4,477.56 mi (7,205.94 km) |
| Portage to Jaroslaw | 4,737.22 mi (7,623.82 km) |
| Portage to Jasien | 4,413.97 mi (7,103.60 km) |
| Portage to Jaslo | 4,708.54 mi (7,577.67 km) |
| Portage to Jastrzebie-Zdroj | 4,600.23 mi (7,403.35 km) |
| Portage to Jawor | 4,470.88 mi (7,195.18 km) |
| Portage to Jaworzno | 4,613.03 mi (7,423.95 km) |
| Portage to Jedrzejow | 4,629.58 mi (7,450.58 km) |
| Portage to Jelcz-Laskowice | 4,510.88 mi (7,259.56 km) |
| Portage to Jelenia Gora | 4,460.65 mi (7,178.72 km) |
| Portage to Jozefoslaw | 4,590.33 mi (7,387.43 km) |
