| Olton to Lagoa | 1,105.33 mi (1,778.86 km) |
| Olton to Lagoa | 1,528.24 mi (2,459.46 km) |
| Olton to Lagos | 1,110.55 mi (1,787.26 km) |
| Olton to Lamego | 832.53 mi (1,339.83 km) |
| Olton to Leiria | 937.43 mi (1,508.65 km) |
| Olton to Lisbon | 1,010.54 mi (1,626.30 km) |
| Olton to Loule | 1,098.06 mi (1,767.16 km) |
| Olton to Loures | 1,003.72 mi (1,615.33 km) |
| Olton to Lourinha | 979.79 mi (1,576.82 km) |
| Olton to Lousa | 904.55 mi (1,455.73 km) |
| Olton to Lousada | 826.58 mi (1,330.25 km) |
| Olton to Macedo de Cavaleiros | 790.74 mi (1,272.58 km) |
| Olton to Mafamude | 844.94 mi (1,359.80 km) |
| Olton to Mafra | 999.46 mi (1,608.47 km) |
| Olton to Maia | 837.51 mi (1,347.84 km) |
