| Silver Spring to Lagoa | 3,639.78 mi (5,857.66 km) |
| Silver Spring to Lagoa | 2,749.58 mi (4,425.02 km) |
| Silver Spring to Lagos | 3,629.49 mi (5,841.09 km) |
| Silver Spring to Lamego | 3,563.04 mi (5,734.15 km) |
| Silver Spring to Leiria | 3,550.18 mi (5,713.46 km) |
| Silver Spring to Lisbon | 3,560.41 mi (5,729.92 km) |
| Silver Spring to Loule | 3,661.83 mi (5,893.15 km) |
| Silver Spring to Loures | 3,556.65 mi (5,723.88 km) |
| Silver Spring to Lourinha | 3,539.31 mi (5,695.96 km) |
| Silver Spring to Lousa | 3,567.65 mi (5,741.58 km) |
| Silver Spring to Lousada | 3,537.17 mi (5,692.52 km) |
| Silver Spring to Macedo de Cavaleiros | 3,592.57 mi (5,781.68 km) |
| Silver Spring to Mafamude | 3,524.30 mi (5,671.81 km) |
| Silver Spring to Mafra | 3,545.56 mi (5,706.03 km) |
| Silver Spring to Maia | 3,520.67 mi (5,665.97 km) |
