| Olbia to Lagoa | 1,874.98 mi (3,017.49 km) |
| Olbia to Lagos | 1,008.53 mi (1,623.08 km) |
| Olbia to Lamego | 901.12 mi (1,450.21 km) |
| Olbia to Leiria | 965.44 mi (1,553.73 km) |
| Olbia to Lisbon | 999.25 mi (1,608.14 km) |
| Olbia to Loule | 972.73 mi (1,565.46 km) |
| Olbia to Loures | 998.26 mi (1,606.55 km) |
| Olbia to Lourinha | 998.79 mi (1,607.39 km) |
| Olbia to Lousa | 932.25 mi (1,500.32 km) |
| Olbia to Lousada | 922.31 mi (1,484.31 km) |
| Olbia to Macedo de Cavaleiros | 855.17 mi (1,376.26 km) |
| Olbia to Mafamude | 942.19 mi (1,516.31 km) |
| Olbia to Mafra | 1,005.08 mi (1,617.52 km) |
| Olbia to Maia | 942.17 mi (1,516.28 km) |
| Olbia to Mangualde | 902.14 mi (1,451.86 km) |
