| Portalegre to Krosno Odrzanskie | 1,387.70 mi (2,233.28 km) |
| Portalegre to Krotoszyn | 1,464.11 mi (2,356.26 km) |
| Portalegre to Kruszwica | 1,528.63 mi (2,460.09 km) |
| Portalegre to Krynica | 1,552.76 mi (2,498.93 km) |
| Portalegre to Krzeszowice | 1,511.57 mi (2,432.63 km) |
| Portalegre to Kudowa-Zdroj | 1,380.45 mi (2,221.63 km) |
| Portalegre to Kutno | 1,554.77 mi (2,502.16 km) |
| Portalegre to Kwidzyn | 1,584.51 mi (2,550.03 km) |
| Portalegre to Lancut | 1,620.05 mi (2,607.22 km) |
| Portalegre to Lapy | 1,710.85 mi (2,753.34 km) |
| Portalegre to Lask | 1,527.73 mi (2,458.64 km) |
| Portalegre to Laziska Gorne | 1,479.31 mi (2,380.73 km) |
| Portalegre to Lebork | 1,571.17 mi (2,528.56 km) |
| Portalegre to Leczna | 1,671.97 mi (2,690.77 km) |
| Portalegre to Leczyca | 1,543.12 mi (2,483.41 km) |
