| Donaueschingen to Lagoa | 1,846.27 mi (2,971.28 km) |
| Donaueschingen to Lagos | 1,147.26 mi (1,846.34 km) |
| Donaueschingen to Lamego | 929.90 mi (1,496.52 km) |
| Donaueschingen to Leiria | 1,028.12 mi (1,654.60 km) |
| Donaueschingen to Lisbon | 1,088.24 mi (1,751.36 km) |
| Donaueschingen to Loule | 1,119.43 mi (1,801.54 km) |
| Donaueschingen to Loures | 1,083.98 mi (1,744.50 km) |
| Donaueschingen to Lourinha | 1,071.41 mi (1,724.27 km) |
| Donaueschingen to Lousa | 989.59 mi (1,592.59 km) |
| Donaueschingen to Lousada | 940.11 mi (1,512.96 km) |
| Donaueschingen to Macedo de Cavaleiros | 876.45 mi (1,410.51 km) |
| Donaueschingen to Mafamude | 962.92 mi (1,549.66 km) |
| Donaueschingen to Mafra | 1,085.80 mi (1,747.43 km) |
| Donaueschingen to Maia | 958.80 mi (1,543.05 km) |
| Donaueschingen to Mangualde | 948.47 mi (1,526.41 km) |
