| Slidell to Lombard (Illinois) | 806.48 mi (1,297.90 km) |
| Slidell to Lomita (California) | 1,683.22 mi (2,708.88 km) |
| Slidell to Lompoc (California) | 1,806.98 mi (2,908.06 km) |
| Slidell to London (Ohio) | 753.85 mi (1,213.21 km) |
| Slidell to Lone Tree (Colorado) | 1,064.58 mi (1,713.27 km) |
| Slidell to Long Beach (California) | 1,674.58 mi (2,694.98 km) |
| Slidell to Long Beach (Mississippi) | 37.17 mi (59.83 km) |
| Slidell to Long Beach (New York) | 1,149.85 mi (1,850.50 km) |
| Slidell to Long Branch (New Jersey) | 1,124.48 mi (1,809.68 km) |
| Slidell to Longmont (Colorado) | 1,098.76 mi (1,768.28 km) |
| Slidell to Longview (Texas) | 331.58 mi (533.62 km) |
| Slidell to Longview (Washington) | 2,085.61 mi (3,356.47 km) |
| Slidell to Longwood (Florida) | 518.80 mi (834.92 km) |
| Slidell to Lorain (Ohio) | 879.32 mi (1,415.13 km) |
| Slidell to Lorton (Virginia) | 920.23 mi (1,480.97 km) |
