| Highlands Ranch to Lowell (Indiana) | 929.53 mi (1,495.93 km) |
| Highlands Ranch to Lowell (Massachusetts) | 1,753.56 mi (2,822.09 km) |
| Highlands Ranch to Lower Burrell (Pennsylvania) | 1,332.94 mi (2,145.16 km) |
| Highlands Ranch to Lowes Island (Virginia) | 1,471.37 mi (2,367.94 km) |
| Highlands Ranch to Lubbock (Texas) | 446.88 mi (719.19 km) |
| Highlands Ranch to Lufkin (Texas) | 808.32 mi (1,300.87 km) |
| Highlands Ranch to Luling (Louisiana) | 1,061.95 mi (1,709.05 km) |
| Highlands Ranch to Lumberton (North Carolina) | 1,464.57 mi (2,357.00 km) |
| Highlands Ranch to Lumberton (Texas) | 883.92 mi (1,422.53 km) |
| Highlands Ranch to Lutz (Florida) | 1,507.24 mi (2,425.67 km) |
| Highlands Ranch to Lynbrook (New York) | 1,647.11 mi (2,650.77 km) |
| Highlands Ranch to Lynchburg (Virginia) | 1,397.57 mi (2,249.17 km) |
| Highlands Ranch to Lynden (Washington) | 1,078.00 mi (1,734.88 km) |
| Highlands Ranch to Lyndhurst (Ohio) | 1,236.68 mi (1,990.25 km) |
| Highlands Ranch to Lyndon (Kentucky) | 1,043.84 mi (1,679.89 km) |
