| Thornton to Lomita (California) | 5,299.79 mi (8,529.19 km) |
| Thornton to Lompoc (California) | 5,315.40 mi (8,554.31 km) |
| Thornton to London (Ohio) | 3,750.51 mi (6,035.86 km) |
| Thornton to Lone Tree (Colorado) | 4,542.08 mi (7,309.77 km) |
| Thornton to Long Beach (California) | 5,294.84 mi (8,521.22 km) |
| Thornton to Long Beach (Mississippi) | 4,451.30 mi (7,163.67 km) |
| Thornton to Long Beach (New York) | 3,338.63 mi (5,373.01 km) |
| Thornton to Long Branch (New Jersey) | 3,364.82 mi (5,415.16 km) |
| Thornton to Longmont (Colorado) | 4,515.63 mi (7,267.20 km) |
| Thornton to Longview (Texas) | 4,552.74 mi (7,326.92 km) |
| Thornton to Longview (Washington) | 4,716.53 mi (7,590.51 km) |
| Thornton to Longwood (Florida) | 4,227.71 mi (6,803.84 km) |
| Thornton to Lorain (Ohio) | 3,629.33 mi (5,840.84 km) |
| Thornton to Lorton (Virginia) | 3,566.25 mi (5,739.32 km) |
| Thornton to Los Alamitos (California) | 5,291.50 mi (8,515.85 km) |
