| Slupca to Lagoa | 2,303.53 mi (3,707.17 km) |
| Slupca to Lagos | 1,657.36 mi (2,667.26 km) |
| Slupca to Lamego | 1,430.12 mi (2,301.56 km) |
| Slupca to Leiria | 1,531.51 mi (2,464.72 km) |
| Slupca to Lisbon | 1,594.23 mi (2,565.66 km) |
| Slupca to Loule | 1,630.13 mi (2,623.43 km) |
| Slupca to Loures | 1,589.61 mi (2,558.23 km) |
| Slupca to Lourinha | 1,575.43 mi (2,535.42 km) |
| Slupca to Lousa | 1,493.00 mi (2,402.75 km) |
| Slupca to Lousada | 1,437.92 mi (2,314.11 km) |
| Slupca to Macedo de Cavaleiros | 1,377.04 mi (2,216.13 km) |
| Slupca to Mafamude | 1,460.57 mi (2,350.56 km) |
| Slupca to Mafra | 1,590.72 mi (2,560.02 km) |
| Slupca to Maia | 1,455.76 mi (2,342.81 km) |
| Slupca to Mangualde | 1,451.16 mi (2,335.41 km) |
