| Risca to Lowell (Indiana) | 3,849.46 mi (6,195.11 km) |
| Risca to Lowell (Massachusetts) | 3,146.85 mi (5,064.37 km) |
| Risca to Lower Burrell (Pennsylvania) | 3,576.07 mi (5,755.12 km) |
| Risca to Lowes Island (Virginia) | 3,547.86 mi (5,709.73 km) |
| Risca to Lubbock (Texas) | 4,785.07 mi (7,700.82 km) |
| Risca to Lufkin (Texas) | 4,622.55 mi (7,439.27 km) |
| Risca to Luling (Louisiana) | 4,518.02 mi (7,271.04 km) |
| Risca to Lumberton (North Carolina) | 3,819.00 mi (6,146.08 km) |
| Risca to Lumberton (Texas) | 4,656.13 mi (7,493.31 km) |
| Risca to Lutz (Florida) | 4,277.82 mi (6,884.49 km) |
| Risca to Lynbrook (New York) | 3,326.30 mi (5,353.16 km) |
| Risca to Lynchburg (Virginia) | 3,697.73 mi (5,950.91 km) |
| Risca to Lynden (Washington) | 4,627.69 mi (7,447.56 km) |
| Risca to Lyndhurst (Ohio) | 3,606.12 mi (5,803.48 km) |
| Risca to Lyndon (Kentucky) | 3,917.45 mi (6,304.53 km) |
