| Thornton to Lindsay (California) | 5,183.49 mi (8,342.02 km) |
| Thornton to Linganore (Maryland) | 3,535.93 mi (5,690.54 km) |
| Thornton to Lino Lakes (Minnesota) | 3,849.85 mi (6,195.74 km) |
| Thornton to Linthicum (Maryland) | 3,520.43 mi (5,665.59 km) |
| Thornton to Linton Hall (Virginia) | 3,577.65 mi (5,757.68 km) |
| Thornton to Lisle (Illinois) | 3,833.73 mi (6,169.78 km) |
| Thornton to Lithia Springs (Georgia) | 4,098.89 mi (6,596.52 km) |
| Thornton to Little Canada (Minnesota) | 3,856.91 mi (6,207.09 km) |
| Thornton to Little Chute (Wisconsin) | 3,722.84 mi (5,991.34 km) |
| Thornton to Little Elm (Texas) | 4,598.51 mi (7,400.59 km) |
| Thornton to Little Ferry (New Jersey) | 3,341.58 mi (5,377.75 km) |
| Thornton to Little Rock (Arkansas) | 4,346.95 mi (6,995.74 km) |
| Thornton to Littleton (Colorado) | 4,543.80 mi (7,312.54 km) |
| Thornton to Live Oak (California) | 5,224.01 mi (8,407.23 km) |
| Thornton to Live Oak (Texas) | 4,845.47 mi (7,798.03 km) |
