| Mastic Beach to Lagoa | 3,390.05 mi (5,455.76 km) |
| Mastic Beach to Lagoa | 2,506.03 mi (4,033.06 km) |
| Mastic Beach to Lagos | 3,379.85 mi (5,439.35 km) |
| Mastic Beach to Lamego | 3,310.71 mi (5,328.07 km) |
| Mastic Beach to Leiria | 3,298.67 mi (5,308.70 km) |
| Mastic Beach to Lisbon | 3,309.64 mi (5,326.35 km) |
| Mastic Beach to Loule | 3,411.95 mi (5,491.01 km) |
| Mastic Beach to Loures | 3,305.81 mi (5,320.19 km) |
| Mastic Beach to Lourinha | 3,288.23 mi (5,291.89 km) |
| Mastic Beach to Lousa | 3,315.85 mi (5,336.34 km) |
| Mastic Beach to Lousada | 3,284.81 mi (5,286.39 km) |
| Mastic Beach to Macedo de Cavaleiros | 3,339.98 mi (5,375.18 km) |
| Mastic Beach to Mafamude | 3,272.07 mi (5,265.88 km) |
| Mastic Beach to Mafra | 3,294.69 mi (5,302.29 km) |
| Mastic Beach to Maia | 3,268.39 mi (5,259.96 km) |
