| Civitavecchia to Lagoa | 1,987.38 mi (3,198.38 km) |
| Civitavecchia to Lagos | 1,140.01 mi (1,834.66 km) |
| Civitavecchia to Lamego | 1,013.32 mi (1,630.78 km) |
| Civitavecchia to Leiria | 1,084.89 mi (1,745.96 km) |
| Civitavecchia to Lisbon | 1,123.48 mi (1,808.07 km) |
| Civitavecchia to Loule | 1,104.84 mi (1,778.06 km) |
| Civitavecchia to Loures | 1,121.97 mi (1,805.63 km) |
| Civitavecchia to Lourinha | 1,120.42 mi (1,803.14 km) |
| Civitavecchia to Lousa | 1,050.20 mi (1,690.13 km) |
| Civitavecchia to Lousada | 1,032.92 mi (1,662.33 km) |
| Civitavecchia to Macedo de Cavaleiros | 964.86 mi (1,552.80 km) |
| Civitavecchia to Mafamude | 1,053.77 mi (1,695.88 km) |
| Civitavecchia to Mafra | 1,128.10 mi (1,815.50 km) |
| Civitavecchia to Maia | 1,052.99 mi (1,694.62 km) |
| Civitavecchia to Mangualde | 1,017.56 mi (1,637.60 km) |
