| Birstonas to Lagoa | 2,574.60 mi (4,143.42 km) |
| Birstonas to Lagos | 1,954.92 mi (3,146.14 km) |
| Birstonas to Lamego | 1,723.48 mi (2,773.67 km) |
| Birstonas to Leiria | 1,825.97 mi (2,938.61 km) |
| Birstonas to Lisbon | 1,889.76 mi (3,041.27 km) |
| Birstonas to Loule | 1,928.07 mi (3,102.93 km) |
| Birstonas to Loures | 1,884.99 mi (3,033.59 km) |
| Birstonas to Lourinha | 1,870.10 mi (3,009.64 km) |
| Birstonas to Lousa | 1,787.53 mi (2,876.76 km) |
| Birstonas to Lousada | 1,730.30 mi (2,784.64 km) |
| Birstonas to Macedo de Cavaleiros | 1,670.67 mi (2,688.68 km) |
| Birstonas to Mafamude | 1,752.82 mi (2,820.89 km) |
| Birstonas to Mafra | 1,885.77 mi (3,034.86 km) |
| Birstonas to Maia | 1,747.74 mi (2,812.71 km) |
| Birstonas to Mangualde | 1,745.47 mi (2,809.06 km) |
