| Formia to Lagoa | 2,085.93 mi (3,356.98 km) |
| Formia to Lagos | 1,224.18 mi (1,970.13 km) |
| Formia to Lamego | 1,111.41 mi (1,788.63 km) |
| Formia to Leiria | 1,178.97 mi (1,897.36 km) |
| Formia to Lisbon | 1,214.23 mi (1,954.12 km) |
| Formia to Loule | 1,188.33 mi (1,912.43 km) |
| Formia to Loures | 1,213.12 mi (1,952.32 km) |
| Formia to Lourinha | 1,213.07 mi (1,952.24 km) |
| Formia to Lousa | 1,145.18 mi (1,842.99 km) |
| Formia to Lousada | 1,131.80 mi (1,821.45 km) |
| Formia to Macedo de Cavaleiros | 1,064.08 mi (1,712.47 km) |
| Formia to Mafamude | 1,152.20 mi (1,854.29 km) |
| Formia to Mafra | 1,219.76 mi (1,963.02 km) |
| Formia to Maia | 1,151.79 mi (1,853.62 km) |
| Formia to Mangualde | 1,113.97 mi (1,792.76 km) |
