| Barth to Lagoa | 2,127.02 mi (3,423.11 km) |
| Barth to Lagos | 1,564.25 mi (2,517.41 km) |
| Barth to Lamego | 1,313.70 mi (2,114.20 km) |
| Barth to Leiria | 1,419.26 mi (2,284.08 km) |
| Barth to Lisbon | 1,487.13 mi (2,393.31 km) |
| Barth to Loule | 1,541.23 mi (2,480.37 km) |
| Barth to Loures | 1,481.65 mi (2,384.49 km) |
| Barth to Lourinha | 1,463.81 mi (2,355.78 km) |
| Barth to Lousa | 1,381.54 mi (2,223.38 km) |
| Barth to Lousada | 1,317.18 mi (2,119.80 km) |
| Barth to Macedo de Cavaleiros | 1,262.51 mi (2,031.81 km) |
| Barth to Mafamude | 1,339.08 mi (2,155.03 km) |
| Barth to Mafra | 1,480.97 mi (2,383.39 km) |
| Barth to Maia | 1,333.24 mi (2,145.64 km) |
| Barth to Mangualde | 1,339.02 mi (2,154.95 km) |
