| Portimao to Ittiri | 949.06 mi (1,527.36 km) |
| Portimao to Ivrea | 1,025.02 mi (1,649.61 km) |
| Portimao to L'Aquila | 1,215.91 mi (1,956.82 km) |
| Portimao to La Loggia | 999.69 mi (1,608.85 km) |
| Portimao to La Maddalena | 999.20 mi (1,608.06 km) |
| Portimao to La Spezia | 1,072.90 mi (1,726.67 km) |
| Portimao to Lacchiarella | 1,075.28 mi (1,730.50 km) |
| Portimao to Ladispoli | 1,144.29 mi (1,841.56 km) |
| Portimao to Lainate | 1,077.96 mi (1,734.81 km) |
| Portimao to Laives | 1,203.16 mi (1,936.30 km) |
| Portimao to Lana | 1,200.77 mi (1,932.45 km) |
| Portimao to Lanciano | 1,264.23 mi (2,034.59 km) |
| Portimao to Langhirano | 1,106.37 mi (1,780.53 km) |
| Portimao to Lanuvio | 1,173.07 mi (1,887.87 km) |
| Portimao to Lariano | 1,180.38 mi (1,899.63 km) |
