| Thornton to Lowell (Indiana) | 3,833.13 mi (6,168.82 km) |
| Thornton to Lowell (Massachusetts) | 3,154.66 mi (5,076.94 km) |
| Thornton to Lower Burrell (Pennsylvania) | 3,574.99 mi (5,753.38 km) |
| Thornton to Lowes Island (Virginia) | 3,555.13 mi (5,721.42 km) |
| Thornton to Lubbock (Texas) | 4,759.20 mi (7,659.19 km) |
| Thornton to Lufkin (Texas) | 4,614.73 mi (7,426.69 km) |
| Thornton to Luling (Louisiana) | 4,521.64 mi (7,276.88 km) |
| Thornton to Lumberton (North Carolina) | 3,834.31 mi (6,170.72 km) |
| Thornton to Lumberton (Texas) | 4,651.44 mi (7,485.77 km) |
| Thornton to Lutz (Florida) | 4,300.93 mi (6,921.67 km) |
| Thornton to Lynbrook (New York) | 3,335.80 mi (5,368.45 km) |
| Thornton to Lynchburg (Virginia) | 3,705.87 mi (5,964.02 km) |
| Thornton to Lynden (Washington) | 4,541.78 mi (7,309.29 km) |
| Thornton to Lyndhurst (Ohio) | 3,599.43 mi (5,792.72 km) |
| Thornton to Lyndon (Kentucky) | 3,911.70 mi (6,295.27 km) |
