| Tonypandy to Lowell (Indiana) | 3,835.05 mi (6,171.91 km) |
| Tonypandy to Lowell (Massachusetts) | 3,131.77 mi (5,040.10 km) |
| Tonypandy to Lower Burrell (Pennsylvania) | 3,561.18 mi (5,731.17 km) |
| Tonypandy to Lowes Island (Virginia) | 3,532.78 mi (5,685.45 km) |
| Tonypandy to Lubbock (Texas) | 4,770.98 mi (7,678.15 km) |
| Tonypandy to Lufkin (Texas) | 4,607.82 mi (7,415.57 km) |
| Tonypandy to Luling (Louisiana) | 4,502.99 mi (7,246.86 km) |
| Tonypandy to Lumberton (North Carolina) | 3,803.75 mi (6,121.54 km) |
| Tonypandy to Lumberton (Texas) | 4,641.31 mi (7,469.47 km) |
| Tonypandy to Lutz (Florida) | 4,262.45 mi (6,859.75 km) |
| Tonypandy to Lynbrook (New York) | 3,311.17 mi (5,328.81 km) |
| Tonypandy to Lynchburg (Virginia) | 3,682.62 mi (5,926.60 km) |
| Tonypandy to Lynden (Washington) | 4,617.29 mi (7,430.81 km) |
| Tonypandy to Lyndhurst (Ohio) | 3,591.39 mi (5,779.79 km) |
| Tonypandy to Lyndon (Kentucky) | 3,902.69 mi (6,280.77 km) |
