| Holyhead to Lagoa | 1,132.55 mi (1,822.66 km) |
| Holyhead to Lagoa | 1,466.98 mi (2,360.88 km) |
| Holyhead to Lagos | 1,136.41 mi (1,828.88 km) |
| Holyhead to Lamego | 856.36 mi (1,378.18 km) |
| Holyhead to Leiria | 957.13 mi (1,540.35 km) |
| Holyhead to Lisbon | 1,030.15 mi (1,657.87 km) |
| Holyhead to Loule | 1,128.11 mi (1,815.52 km) |
| Holyhead to Loures | 1,022.98 mi (1,646.33 km) |
| Holyhead to Lourinha | 997.21 mi (1,604.85 km) |
| Holyhead to Lousa | 927.42 mi (1,492.53 km) |
| Holyhead to Lousada | 846.49 mi (1,362.30 km) |
| Holyhead to Macedo de Cavaleiros | 820.37 mi (1,320.25 km) |
| Holyhead to Mafamude | 862.53 mi (1,388.10 km) |
| Holyhead to Mafra | 1,017.35 mi (1,637.26 km) |
| Holyhead to Maia | 854.65 mi (1,375.43 km) |
