| Portalegre to Grigiskes | 1,837.61 mi (2,957.34 km) |
| Portalegre to Ignalina | 1,894.33 mi (3,048.63 km) |
| Portalegre to Jonava | 1,818.31 mi (2,926.29 km) |
| Portalegre to Joniskis | 1,828.21 mi (2,942.22 km) |
| Portalegre to Jurbarkas | 1,764.15 mi (2,839.13 km) |
| Portalegre to Kaisiadorys | 1,818.89 mi (2,927.22 km) |
| Portalegre to Kalvarija | 1,761.30 mi (2,834.54 km) |
| Portalegre to Kaunas | 1,799.14 mi (2,895.43 km) |
| Portalegre to Kazlu Ruda | 1,780.97 mi (2,866.20 km) |
| Portalegre to Kedainiai | 1,812.90 mi (2,917.59 km) |
| Portalegre to Kelme | 1,786.65 mi (2,875.34 km) |
| Portalegre to Klaipeda | 1,729.45 mi (2,783.28 km) |
| Portalegre to Kretinga | 1,736.71 mi (2,794.96 km) |
| Portalegre to Kupiskis | 1,864.12 mi (3,000.01 km) |
| Portalegre to Kursenai | 1,796.93 mi (2,891.87 km) |
