| Rockville Centre to Lagoa | 3,432.14 mi (5,523.49 km) |
| Rockville Centre to Lagoa | 2,548.56 mi (4,101.52 km) |
| Rockville Centre to Lagos | 3,421.95 mi (5,507.10 km) |
| Rockville Centre to Lamego | 3,352.06 mi (5,394.62 km) |
| Rockville Centre to Leiria | 3,340.36 mi (5,375.79 km) |
| Rockville Centre to Lisbon | 3,351.53 mi (5,393.76 km) |
| Rockville Centre to Loule | 3,454.01 mi (5,558.69 km) |
| Rockville Centre to Loures | 3,347.68 mi (5,387.57 km) |
| Rockville Centre to Lourinha | 3,330.04 mi (5,359.17 km) |
| Rockville Centre to Lousa | 3,357.43 mi (5,403.26 km) |
| Rockville Centre to Lousada | 3,326.15 mi (5,352.92 km) |
| Rockville Centre to Macedo de Cavaleiros | 3,381.18 mi (5,441.48 km) |
| Rockville Centre to Mafamude | 3,313.47 mi (5,332.51 km) |
| Rockville Centre to Mafra | 3,336.55 mi (5,369.66 km) |
| Rockville Centre to Maia | 3,309.76 mi (5,326.55 km) |