| Sumter to Lovington (New Mexico) | 1,321.68 mi (2,127.04 km) |
| Sumter to Lowell (Indiana) | 636.65 mi (1,024.60 km) |
| Sumter to Lowell (Massachusetts) | 775.75 mi (1,248.45 km) |
| Sumter to Lower Burrell (Pennsylvania) | 460.47 mi (741.06 km) |
| Sumter to Lowes Island (Virginia) | 391.19 mi (629.55 km) |
| Sumter to Lubbock (Texas) | 1,232.83 mi (1,984.05 km) |
| Sumter to Lufkin (Texas) | 852.71 mi (1,372.30 km) |
| Sumter to Luling (Louisiana) | 646.87 mi (1,041.04 km) |
| Sumter to Lumberton (North Carolina) | 91.88 mi (147.87 km) |
| Sumter to Lumberton (Texas) | 846.84 mi (1,362.86 km) |
| Sumter to Lutz (Florida) | 418.72 mi (673.86 km) |
| Sumter to Lynbrook (New York) | 592.78 mi (953.98 km) |
| Sumter to Lynchburg (Virginia) | 248.47 mi (399.87 km) |
| Sumter to Lynden (Washington) | 2,373.81 mi (3,820.27 km) |
| Sumter to Lyndhurst (Ohio) | 527.01 mi (848.14 km) |
