| Thornton to Burlingame (California) | 5,199.97 mi (8,368.54 km) |
| Thornton to Burlington (Iowa) | 3,993.23 mi (6,426.48 km) |
| Thornton to Burlington (Kentucky) | 3,841.57 mi (6,182.42 km) |
| Thornton to Burlington (North Carolina) | 3,781.12 mi (6,085.12 km) |
| Thornton to Burlington (Vermont) | 3,149.00 mi (5,067.83 km) |
| Thornton to Burlington (Wisconsin) | 3,797.99 mi (6,112.28 km) |
| Thornton to Burnsville (Minnesota) | 3,876.22 mi (6,238.18 km) |
| Thornton to Burr Ridge (Illinois) | 3,829.59 mi (6,163.13 km) |
| Thornton to Burton (Michigan) | 3,610.62 mi (5,810.74 km) |
| Thornton to Burtonsville (Maryland) | 3,535.49 mi (5,689.82 km) |
| Thornton to Butler (Pennsylvania) | 3,568.92 mi (5,743.63 km) |
| Thornton to Butte (Montana) | 4,443.77 mi (7,151.55 km) |
| Thornton to Byram (Mississippi) | 4,399.48 mi (7,080.28 km) |
| Thornton to Cabot (Arkansas) | 4,321.55 mi (6,954.86 km) |
| Thornton to Cadillac (Michigan) | 3,619.08 mi (5,824.34 km) |
