| Llanelli to Lowell (Indiana) | 3,805.55 mi (6,124.44 km) |
| Llanelli to Lowell (Massachusetts) | 3,101.29 mi (4,991.05 km) |
| Llanelli to Lower Burrell (Pennsylvania) | 3,530.98 mi (5,682.57 km) |
| Llanelli to Lowes Island (Virginia) | 3,502.30 mi (5,636.40 km) |
| Llanelli to Lubbock (Texas) | 4,742.00 mi (7,631.51 km) |
| Llanelli to Lufkin (Texas) | 4,577.85 mi (7,367.33 km) |
| Llanelli to Luling (Louisiana) | 4,472.58 mi (7,197.93 km) |
| Llanelli to Lumberton (North Carolina) | 3,773.07 mi (6,072.17 km) |
| Llanelli to Lumberton (Texas) | 4,611.20 mi (7,421.01 km) |
| Llanelli to Lutz (Florida) | 4,231.67 mi (6,810.21 km) |
| Llanelli to Lynbrook (New York) | 3,280.64 mi (5,279.68 km) |
| Llanelli to Lynchburg (Virginia) | 3,652.11 mi (5,877.50 km) |
| Llanelli to Lynden (Washington) | 4,594.82 mi (7,394.65 km) |
| Llanelli to Lyndhurst (Ohio) | 3,561.42 mi (5,731.56 km) |
| Llanelli to Lyndon (Kentucky) | 3,872.66 mi (6,232.44 km) |
