| Prospect Heights to Lagoa | 4,086.95 mi (6,577.31 km) |
| Prospect Heights to Lagoa | 3,243.17 mi (5,219.37 km) |
| Prospect Heights to Lagos | 4,077.62 mi (6,562.30 km) |
| Prospect Heights to Lamego | 3,975.56 mi (6,398.05 km) |
| Prospect Heights to Leiria | 3,977.40 mi (6,401.00 km) |
| Prospect Heights to Lisbon | 3,997.23 mi (6,432.91 km) |
| Prospect Heights to Loule | 4,107.38 mi (6,610.19 km) |
| Prospect Heights to Loures | 3,992.64 mi (6,425.54 km) |
| Prospect Heights to Lourinha | 3,972.44 mi (6,393.02 km) |
| Prospect Heights to Lousa | 3,990.05 mi (6,421.36 km) |
| Prospect Heights to Lousada | 3,949.33 mi (6,355.82 km) |
| Prospect Heights to Macedo de Cavaleiros | 3,998.57 mi (6,435.07 km) |
| Prospect Heights to Mafamude | 3,939.22 mi (6,339.56 km) |
| Prospect Heights to Mafra | 3,981.20 mi (6,407.13 km) |
| Prospect Heights to Maia | 3,934.60 mi (6,332.12 km) |
