| Sona to Lagoa | 1,936.95 mi (3,117.21 km) |
| Sona to Lagos | 1,160.67 mi (1,867.91 km) |
| Sona to Lamego | 981.94 mi (1,580.28 km) |
| Sona to Leiria | 1,069.65 mi (1,721.44 km) |
| Sona to Lisbon | 1,120.74 mi (1,803.66 km) |
| Sona to Loule | 1,128.80 mi (1,816.62 km) |
| Sona to Loures | 1,117.71 mi (1,798.78 km) |
| Sona to Lourinha | 1,110.15 mi (1,786.61 km) |
| Sona to Lousa | 1,032.09 mi (1,660.99 km) |
| Sona to Lousada | 996.95 mi (1,604.44 km) |
| Sona to Macedo de Cavaleiros | 929.48 mi (1,495.85 km) |
| Sona to Mafamude | 1,019.36 mi (1,640.50 km) |
| Sona to Mafra | 1,121.62 mi (1,805.08 km) |
| Sona to Maia | 1,016.76 mi (1,636.31 km) |
| Sona to Mangualde | 994.05 mi (1,599.77 km) |
