| Portalegre to Lapua | 2,060.51 mi (3,316.08 km) |
| Portalegre to Laukaa | 2,114.01 mi (3,402.17 km) |
| Portalegre to Lauritsala | 2,131.26 mi (3,429.93 km) |
| Portalegre to Lempaala | 2,012.11 mi (3,238.18 km) |
| Portalegre to Leppavirta | 2,166.48 mi (3,486.61 km) |
| Portalegre to Lieksa | 2,255.77 mi (3,630.32 km) |
| Portalegre to Lieto | 1,943.99 mi (3,128.55 km) |
| Portalegre to Liminka | 2,196.04 mi (3,534.19 km) |
| Portalegre to Liperi | 2,211.98 mi (3,559.84 km) |
| Portalegre to Lohja | 1,980.19 mi (3,186.82 km) |
| Portalegre to Loimaa | 1,974.74 mi (3,178.04 km) |
| Portalegre to Loviisa | 2,050.93 mi (3,300.65 km) |
| Portalegre to Mantsala | 2,030.35 mi (3,267.54 km) |
| Portalegre to Mariehamn | 1,858.42 mi (2,990.84 km) |
| Portalegre to Masku | 1,937.16 mi (3,117.56 km) |
