| Thornton to Lemay (Missouri) | 4,075.46 mi (6,558.81 km) |
| Thornton to Lemon Grove (California) | 5,320.69 mi (8,562.82 km) |
| Thornton to Lemon Hill (California) | 5,119.18 mi (8,238.53 km) |
| Thornton to Lemont (Illinois) | 3,835.76 mi (6,173.06 km) |
| Thornton to Lemoore (California) | 5,199.84 mi (8,368.34 km) |
| Thornton to Lenexa (Kansas) | 4,219.75 mi (6,791.04 km) |
| Thornton to Lennox (California) | 5,292.68 mi (8,517.75 km) |
| Thornton to Lenoir (North Carolina) | 3,870.21 mi (6,228.50 km) |
| Thornton to Leominster (Massachusetts) | 3,177.52 mi (5,113.73 km) |
| Thornton to Leon Valley (Texas) | 4,858.93 mi (7,819.69 km) |
| Thornton to Levelland (Texas) | 4,775.44 mi (7,685.33 km) |
| Thornton to Levittown (New York) | 3,326.41 mi (5,353.35 km) |
| Thornton to Levittown (Pennsylvania) | 3,405.35 mi (5,480.38 km) |
| Thornton to Lewisburg (Tennessee) | 4,097.76 mi (6,594.71 km) |
| Thornton to Lewiston (Idaho) | 4,541.12 mi (7,308.23 km) |
