| Thornton to Bridgeton (Missouri) | 4,069.02 mi (6,548.46 km) |
| Thornton to Bridgetown (Ohio) | 3,831.84 mi (6,166.76 km) |
| Thornton to Bridgeview (Illinois) | 3,825.80 mi (6,157.04 km) |
| Thornton to Brigham City (Utah) | 4,666.96 mi (7,510.75 km) |
| Thornton to Brighton (Colorado) | 4,515.98 mi (7,267.77 km) |
| Thornton to Bristol (Connecticut) | 3,260.72 mi (5,247.62 km) |
| Thornton to Bristol (Tennessee) | 3,865.35 mi (6,220.67 km) |
| Thornton to Bristol (Virginia) | 3,860.21 mi (6,212.40 km) |
| Thornton to Broadlands (Virginia) | 3,563.00 mi (5,734.10 km) |
| Thornton to Broadview Heights (Ohio) | 3,615.76 mi (5,819.00 km) |
| Thornton to Brock Hall (Maryland) | 3,540.09 mi (5,697.23 km) |
| Thornton to Brockton (Massachusetts) | 3,167.41 mi (5,097.46 km) |
| Thornton to Broken Arrow (Oklahoma) | 4,406.20 mi (7,091.09 km) |
| Thornton to Bronx (New York) | 3,334.62 mi (5,366.55 km) |
| Thornton to Brook Park (Ohio) | 3,617.31 mi (5,821.49 km) |
