| Slidell to Leland (North Carolina) | 737.68 mi (1,187.17 km) |
| Slidell to Lemay (Missouri) | 570.31 mi (917.82 km) |
| Slidell to Lemon Grove (California) | 1,609.68 mi (2,590.52 km) |
| Slidell to Lemon Hill (California) | 1,882.35 mi (3,029.35 km) |
| Slidell to Lemont (Illinois) | 792.69 mi (1,275.71 km) |
| Slidell to Lemoore (California) | 1,774.80 mi (2,856.26 km) |
| Slidell to Lenexa (Kansas) | 663.37 mi (1,067.60 km) |
| Slidell to Lennox (California) | 1,685.67 mi (2,712.83 km) |
| Slidell to Lenoir (North Carolina) | 615.42 mi (990.43 km) |
| Slidell to Leominster (Massachusetts) | 1,305.56 mi (2,101.10 km) |
| Slidell to Leon Valley (Texas) | 531.71 mi (855.71 km) |
| Slidell to Levelland (Texas) | 771.34 mi (1,241.36 km) |
| Slidell to Levittown (New York) | 1,161.70 mi (1,869.58 km) |
| Slidell to Levittown (Pennsylvania) | 1,081.19 mi (1,740.00 km) |
| Slidell to Lewisburg (Tennessee) | 396.65 mi (638.35 km) |
