| Council Bluffs to Brown Deer (Wisconsin) | 424.57 mi (683.28 km) |
| Council Bluffs to Brownsburg (Indiana) | 506.30 mi (814.81 km) |
| Council Bluffs to Brownsville (Florida) | 1,389.20 mi (2,235.70 km) |
| Council Bluffs to Brownsville (Texas) | 1,056.93 mi (1,700.97 km) |
| Council Bluffs to Brownwood (Texas) | 680.44 mi (1,095.07 km) |
| Council Bluffs to Brunswick (Georgia) | 1,059.91 mi (1,705.75 km) |
| Council Bluffs to Brunswick (Ohio) | 728.21 mi (1,171.94 km) |
| Council Bluffs to Brushy Creek (Texas) | 748.40 mi (1,204.43 km) |
| Council Bluffs to Bryan (Texas) | 731.04 mi (1,176.50 km) |
| Council Bluffs to Bryant (Arkansas) | 492.70 mi (792.92 km) |
| Council Bluffs to Bryn Mawr-Skyway (Washington) | 1,365.54 mi (2,197.62 km) |
| Council Bluffs to Buckeye (Arizona) | 1,065.80 mi (1,715.23 km) |
| Council Bluffs to Buckhall (Virginia) | 987.77 mi (1,589.67 km) |
| Council Bluffs to Bucyrus (Ohio) | 671.45 mi (1,080.59 km) |
| Council Bluffs to Buda (Texas) | 779.20 mi (1,254.00 km) |
