| Duncan to Brandermill (Virginia) | 1,148.35 mi (1,848.09 km) |
| Duncan to Brandon (Florida) | 1,027.84 mi (1,654.15 km) |
| Duncan to Brandon (Mississippi) | 483.29 mi (777.79 km) |
| Duncan to Brandon (South Dakota) | 629.53 mi (1,013.14 km) |
| Duncan to Branson (Missouri) | 299.51 mi (482.02 km) |
| Duncan to Braselton (Georgia) | 804.96 mi (1,295.46 km) |
| Duncan to Brawley (California) | 1,015.85 mi (1,634.85 km) |
| Duncan to Brea (California) | 1,138.21 mi (1,831.78 km) |
| Duncan to Brecksville (Ohio) | 1,001.73 mi (1,612.13 km) |
| Duncan to Bremerton (Washington) | 1,562.46 mi (2,514.53 km) |
| Duncan to Brenham (Texas) | 315.59 mi (507.90 km) |
| Duncan to Brent (Florida) | 681.91 mi (1,097.43 km) |
| Duncan to Brentwood (California) | 1,342.96 mi (2,161.29 km) |
| Duncan to Brentwood (New York) | 1,411.06 mi (2,270.88 km) |
| Duncan to Brentwood (Tennessee) | 636.34 mi (1,024.09 km) |
