| Giessen to Lagoa | 1,891.92 mi (3,044.75 km) |
| Giessen to Lagos | 1,264.28 mi (2,034.66 km) |
| Giessen to Lamego | 1,024.68 mi (1,649.07 km) |
| Giessen to Leiria | 1,128.14 mi (1,815.57 km) |
| Giessen to Lisbon | 1,193.43 mi (1,920.64 km) |
| Giessen to Loule | 1,239.53 mi (1,994.84 km) |
| Giessen to Loures | 1,188.39 mi (1,912.52 km) |
| Giessen to Lourinha | 1,172.48 mi (1,886.93 km) |
| Giessen to Lousa | 1,089.86 mi (1,753.96 km) |
| Giessen to Lousada | 1,030.88 mi (1,659.04 km) |
| Giessen to Macedo de Cavaleiros | 972.17 mi (1,564.56 km) |
| Giessen to Mafamude | 1,053.33 mi (1,695.17 km) |
| Giessen to Mafra | 1,188.66 mi (1,912.97 km) |
| Giessen to Maia | 1,048.15 mi (1,686.83 km) |
| Giessen to Mangualde | 1,047.58 mi (1,685.91 km) |
