| Round Lake Beach to Brown Deer (Wisconsin) | 55.21 mi (88.85 km) |
| Round Lake Beach to Brownsburg (Indiana) | 196.83 mi (316.76 km) |
| Round Lake Beach to Brownsville (Florida) | 1,227.39 mi (1,975.30 km) |
| Round Lake Beach to Brownsville (Texas) | 1,250.37 mi (2,012.28 km) |
| Round Lake Beach to Brownwood (Texas) | 949.18 mi (1,527.56 km) |
| Round Lake Beach to Brunswick (Georgia) | 857.34 mi (1,379.75 km) |
| Round Lake Beach to Brunswick (Ohio) | 331.71 mi (533.84 km) |
| Round Lake Beach to Brushy Creek (Texas) | 978.45 mi (1,574.66 km) |
| Round Lake Beach to Bryan (Texas) | 930.24 mi (1,497.08 km) |
| Round Lake Beach to Bryant (Arkansas) | 586.83 mi (944.42 km) |
| Round Lake Beach to Bryn Mawr-Skyway (Washington) | 1,693.30 mi (2,725.10 km) |
| Round Lake Beach to Buckeye (Arizona) | 1,467.80 mi (2,362.19 km) |
| Round Lake Beach to Buckhall (Virginia) | 612.13 mi (985.13 km) |
| Round Lake Beach to Bucyrus (Ohio) | 285.47 mi (459.41 km) |
| Round Lake Beach to Buda (Texas) | 1,007.86 mi (1,621.99 km) |
