| Upper Grand Lagoon to Lagoa | 4,348.33 mi (6,997.96 km) |
| Upper Grand Lagoon to Lagoa | 3,428.49 mi (5,517.63 km) |
| Upper Grand Lagoon to Lagos | 4,337.38 mi (6,980.33 km) |
| Upper Grand Lagoon to Lamego | 4,296.68 mi (6,914.84 km) |
| Upper Grand Lagoon to Leiria | 4,274.48 mi (6,879.10 km) |
| Upper Grand Lagoon to Lisbon | 4,277.80 mi (6,884.45 km) |
| Upper Grand Lagoon to Loule | 4,371.42 mi (7,035.12 km) |
| Upper Grand Lagoon to Loures | 4,274.69 mi (6,879.45 km) |
| Upper Grand Lagoon to Lourinha | 4,259.60 mi (6,855.17 km) |
| Upper Grand Lagoon to Lousa | 4,295.01 mi (6,912.14 km) |
| Upper Grand Lagoon to Lousada | 4,271.29 mi (6,873.98 km) |
| Upper Grand Lagoon to Macedo de Cavaleiros | 4,329.82 mi (6,968.18 km) |
| Upper Grand Lagoon to Mafamude | 4,256.86 mi (6,850.75 km) |
| Upper Grand Lagoon to Mafra | 4,263.98 mi (6,862.21 km) |
| Upper Grand Lagoon to Maia | 4,253.87 mi (6,845.94 km) |
