| Duncan to Brook Park (Ohio) | 994.62 mi (1,600.68 km) |
| Duncan to Brookfield (Illinois) | 742.42 mi (1,194.81 km) |
| Duncan to Brookfield (Wisconsin) | 789.54 mi (1,270.65 km) |
| Duncan to Brookhaven (Georgia) | 777.32 mi (1,250.98 km) |
| Duncan to Brookhaven (Mississippi) | 478.74 mi (770.46 km) |
| Duncan to Brookings (South Dakota) | 677.15 mi (1,089.76 km) |
| Duncan to Brooklyn (New York) | 1,373.48 mi (2,210.41 km) |
| Duncan to Brooklyn (Ohio) | 998.91 mi (1,607.58 km) |
| Duncan to Brooklyn Center (Minnesota) | 767.00 mi (1,234.36 km) |
| Duncan to Brooklyn Park (Maryland) | 1,217.74 mi (1,959.76 km) |
| Duncan to Brooklyn Park (Minnesota) | 769.22 mi (1,237.95 km) |
| Duncan to Brookside (Delaware) | 1,270.13 mi (2,044.07 km) |
| Duncan to Broomall (Pennsylvania) | 1,292.46 mi (2,080.02 km) |
| Duncan to Broomfield (Colorado) | 541.61 mi (871.64 km) |
| Duncan to Broussard (Louisiana) | 462.24 mi (743.90 km) |
