| Cwmbran to Lowell (Indiana) | 3,850.85 mi (6,197.35 km) |
| Cwmbran to Lowell (Massachusetts) | 3,148.83 mi (5,067.55 km) |
| Cwmbran to Lower Burrell (Pennsylvania) | 3,577.84 mi (5,757.97 km) |
| Cwmbran to Lowes Island (Virginia) | 3,549.83 mi (5,712.91 km) |
| Cwmbran to Lubbock (Texas) | 4,786.24 mi (7,702.70 km) |
| Cwmbran to Lufkin (Texas) | 4,624.18 mi (7,441.89 km) |
| Cwmbran to Luling (Louisiana) | 4,519.93 mi (7,274.12 km) |
| Cwmbran to Lumberton (North Carolina) | 3,821.17 mi (6,149.58 km) |
| Cwmbran to Lumberton (Texas) | 4,657.83 mi (7,496.06 km) |
| Cwmbran to Lutz (Florida) | 4,280.19 mi (6,888.29 km) |
| Cwmbran to Lynbrook (New York) | 3,328.32 mi (5,356.41 km) |
| Cwmbran to Lynchburg (Virginia) | 3,699.72 mi (5,954.13 km) |
| Cwmbran to Lynden (Washington) | 4,627.13 mi (7,446.64 km) |
| Cwmbran to Lyndhurst (Ohio) | 3,607.75 mi (5,806.11 km) |
| Cwmbran to Lyndon (Kentucky) | 3,919.12 mi (6,307.21 km) |
