| Portalegre to Imatra | 2,149.84 mi (3,459.84 km) |
| Portalegre to Jakobstad | 2,083.15 mi (3,352.50 km) |
| Portalegre to Jamsa | 2,072.43 mi (3,335.25 km) |
| Portalegre to Janakkala | 2,021.75 mi (3,253.69 km) |
| Portalegre to Jarvenpaa | 2,018.12 mi (3,247.86 km) |
| Portalegre to Joensuu | 2,224.43 mi (3,579.87 km) |
| Portalegre to Joutseno | 2,140.08 mi (3,444.13 km) |
| Portalegre to Jyvaskyla | 2,101.79 mi (3,382.50 km) |
| Portalegre to Jyvaskylan Maalaiskunta | 2,103.58 mi (3,385.39 km) |
| Portalegre to Kaarina | 1,937.70 mi (3,118.43 km) |
| Portalegre to Kajaani | 2,228.82 mi (3,586.93 km) |
| Portalegre to Kalajoki | 2,138.68 mi (3,441.88 km) |
| Portalegre to Kangasala | 2,026.46 mi (3,261.28 km) |
| Portalegre to Kankaanpaa | 1,995.73 mi (3,211.82 km) |
| Portalegre to Karhula | 2,073.66 mi (3,337.23 km) |
