| Slidell to Lagoa | 4,553.79 mi (7,328.62 km) |
| Slidell to Lagoa | 3,641.47 mi (5,860.37 km) |
| Slidell to Lagos | 4,543.05 mi (7,311.34 km) |
| Slidell to Lamego | 4,491.92 mi (7,229.05 km) |
| Slidell to Leiria | 4,473.84 mi (7,199.95 km) |
| Slidell to Lisbon | 4,479.93 mi (7,209.76 km) |
| Slidell to Loule | 4,576.54 mi (7,365.23 km) |
| Slidell to Loures | 4,476.57 mi (7,204.34 km) |
| Slidell to Lourinha | 4,460.58 mi (7,178.61 km) |
| Slidell to Lousa | 4,493.09 mi (7,230.93 km) |
| Slidell to Lousada | 4,466.28 mi (7,187.79 km) |
| Slidell to Macedo de Cavaleiros | 4,523.34 mi (7,279.62 km) |
| Slidell to Mafamude | 4,452.57 mi (7,165.72 km) |
| Slidell to Mafra | 4,465.70 mi (7,186.85 km) |
| Slidell to Maia | 4,449.28 mi (7,160.43 km) |
