| Rietberg to Lagoa | 1,905.21 mi (3,066.14 km) |
| Rietberg to Lagos | 1,313.47 mi (2,113.83 km) |
| Rietberg to Lamego | 1,065.25 mi (1,714.36 km) |
| Rietberg to Leiria | 1,170.30 mi (1,883.42 km) |
| Rietberg to Lisbon | 1,237.53 mi (1,991.62 km) |
| Rietberg to Loule | 1,290.28 mi (2,076.50 km) |
| Rietberg to Loures | 1,232.16 mi (1,982.97 km) |
| Rietberg to Lourinha | 1,214.83 mi (1,955.08 km) |
| Rietberg to Lousa | 1,132.40 mi (1,822.42 km) |
| Rietberg to Lousada | 1,069.59 mi (1,721.34 km) |
| Rietberg to Macedo de Cavaleiros | 1,013.62 mi (1,631.26 km) |
| Rietberg to Mafamude | 1,091.70 mi (1,756.91 km) |
| Rietberg to Mafra | 1,231.73 mi (1,982.28 km) |
| Rietberg to Maia | 1,086.07 mi (1,747.87 km) |
| Rietberg to Mangualde | 1,089.90 mi (1,754.03 km) |
