| Port Neches to Lovington (New Mexico) | 588.78 mi (947.55 km) |
| Port Neches to Lowell (Indiana) | 862.77 mi (1,388.50 km) |
| Port Neches to Lowell (Massachusetts) | 1,525.77 mi (2,455.48 km) |
| Port Neches to Lower Burrell (Pennsylvania) | 1,084.24 mi (1,744.92 km) |
| Port Neches to Lowes Island (Virginia) | 1,130.82 mi (1,819.88 km) |
| Port Neches to Lubbock (Texas) | 528.10 mi (849.89 km) |
| Port Neches to Lufkin (Texas) | 103.91 mi (167.23 km) |
| Port Neches to Luling (Louisiana) | 215.22 mi (346.36 km) |
| Port Neches to Lumberton (North Carolina) | 928.02 mi (1,493.50 km) |
| Port Neches to Lumberton (Texas) | 24.84 mi (39.97 km) |
| Port Neches to Lutz (Florida) | 705.68 mi (1,135.69 km) |
| Port Neches to Lynbrook (New York) | 1,355.26 mi (2,181.08 km) |
| Port Neches to Lynchburg (Virginia) | 989.48 mi (1,592.42 km) |
| Port Neches to Lynden (Washington) | 1,986.73 mi (3,197.34 km) |
| Port Neches to Lyndhurst (Ohio) | 1,057.66 mi (1,702.14 km) |
