| Sumner to Lagoa | 5,321.22 mi (8,563.68 km) |
| Sumner to Lagoa | 4,644.67 mi (7,474.87 km) |
| Sumner to Lagos | 5,315.01 mi (8,553.68 km) |
| Sumner to Lamego | 5,132.54 mi (8,260.03 km) |
| Sumner to Leiria | 5,170.40 mi (8,320.96 km) |
| Sumner to Lisbon | 5,212.38 mi (8,388.51 km) |
| Sumner to Loule | 5,336.11 mi (8,587.63 km) |
| Sumner to Loures | 5,206.10 mi (8,378.41 km) |
| Sumner to Lourinha | 5,180.40 mi (8,337.04 km) |
| Sumner to Lousa | 5,170.13 mi (8,320.52 km) |
| Sumner to Lousada | 5,107.62 mi (8,219.92 km) |
| Sumner to Macedo de Cavaleiros | 5,137.50 mi (8,268.00 km) |
| Sumner to Mafamude | 5,105.13 mi (8,215.92 km) |
| Sumner to Mafra | 5,194.67 mi (8,360.02 km) |
| Sumner to Maia | 5,098.48 mi (8,205.21 km) |
