| Thornton to Livermore (California) | 5,176.53 mi (8,330.83 km) |
| Thornton to Livingston (California) | 5,163.76 mi (8,310.27 km) |
| Thornton to Livonia (Michigan) | 3,629.47 mi (5,841.07 km) |
| Thornton to Lochearn (Maryland) | 3,516.67 mi (5,659.54 km) |
| Thornton to Lockhart (Florida) | 4,235.04 mi (6,815.64 km) |
| Thornton to Lockhart (Texas) | 4,803.33 mi (7,730.21 km) |
| Thornton to Lockport (Illinois) | 3,841.25 mi (6,181.90 km) |
| Thornton to Lockport (New York) | 3,416.86 mi (5,498.90 km) |
| Thornton to Lodi (California) | 5,137.52 mi (8,268.05 km) |
| Thornton to Lodi (New Jersey) | 3,341.79 mi (5,378.10 km) |
| Thornton to Logan (Utah) | 4,647.60 mi (7,479.59 km) |
| Thornton to Logansport (Indiana) | 3,819.62 mi (6,147.09 km) |
| Thornton to Loganville (Georgia) | 4,066.65 mi (6,544.64 km) |
| Thornton to Loma Linda (California) | 5,251.77 mi (8,451.90 km) |
| Thornton to Lombard (Illinois) | 3,827.06 mi (6,159.06 km) |
