| Des Moines to Brown Deer (Wisconsin) | 308.13 mi (495.89 km) |
| Des Moines to Brownsburg (Indiana) | 397.03 mi (638.96 km) |
| Des Moines to Brownsville (Florida) | 1,328.68 mi (2,138.31 km) |
| Des Moines to Brownsville (Texas) | 1,098.25 mi (1,767.46 km) |
| Des Moines to Brownwood (Texas) | 742.96 mi (1,195.68 km) |
| Des Moines to Brunswick (Georgia) | 985.48 mi (1,585.97 km) |
| Des Moines to Brunswick (Ohio) | 610.93 mi (983.20 km) |
| Des Moines to Brushy Creek (Texas) | 797.92 mi (1,284.13 km) |
| Des Moines to Bryan (Texas) | 769.21 mi (1,237.92 km) |
| Des Moines to Bryant (Arkansas) | 484.53 mi (779.77 km) |
| Des Moines to Bryn Mawr-Skyway (Washington) | 1,458.92 mi (2,347.91 km) |
| Des Moines to Buckeye (Arizona) | 1,181.50 mi (1,901.44 km) |
| Des Moines to Buckhall (Virginia) | 874.60 mi (1,407.53 km) |
| Des Moines to Bucyrus (Ohio) | 555.34 mi (893.73 km) |
| Des Moines to Buda (Texas) | 828.77 mi (1,333.78 km) |
