| Didymoteicho to Lagoa | 2,744.13 mi (4,416.25 km) |
| Didymoteicho to Lagos | 1,892.09 mi (3,045.02 km) |
| Didymoteicho to Lamego | 1,771.27 mi (2,850.58 km) |
| Didymoteicho to Leiria | 1,843.73 mi (2,967.19 km) |
| Didymoteicho to Lisbon | 1,881.25 mi (3,027.58 km) |
| Didymoteicho to Loule | 1,856.12 mi (2,987.14 km) |
| Didymoteicho to Loures | 1,879.94 mi (3,025.48 km) |
| Didymoteicho to Lourinha | 1,878.98 mi (3,023.92 km) |
| Didymoteicho to Lousa | 1,809.06 mi (2,911.41 km) |
| Didymoteicho to Lousada | 1,790.30 mi (2,881.22 km) |
| Didymoteicho to Macedo de Cavaleiros | 1,722.08 mi (2,771.42 km) |
| Didymoteicho to Mafamude | 1,811.45 mi (2,915.25 km) |
| Didymoteicho to Mafra | 1,886.31 mi (3,035.72 km) |
| Didymoteicho to Maia | 1,810.40 mi (2,913.55 km) |
| Didymoteicho to Mangualde | 1,776.22 mi (2,858.55 km) |
