| Round Lake Beach to Bound Brook (New Jersey) | 711.38 mi (1,144.86 km) |
| Round Lake Beach to Bountiful (Utah) | 1,228.73 mi (1,977.46 km) |
| Round Lake Beach to Bourbonnais (Illinois) | 83.30 mi (134.06 km) |
| Round Lake Beach to Bowie (Maryland) | 639.04 mi (1,028.44 km) |
| Round Lake Beach to Bowling Green (Kentucky) | 383.68 mi (617.48 km) |
| Round Lake Beach to Bowling Green (Ohio) | 238.22 mi (383.37 km) |
| Round Lake Beach to Box Elder (South Dakota) | 763.30 mi (1,228.42 km) |
| Round Lake Beach to Boynton Beach (Florida) | 1,184.85 mi (1,906.84 km) |
| Round Lake Beach to Bozeman (Montana) | 1,159.65 mi (1,866.27 km) |
| Round Lake Beach to Bradenton (Florida) | 1,074.32 mi (1,728.94 km) |
| Round Lake Beach to Bradfordville (Florida) | 843.37 mi (1,357.27 km) |
| Round Lake Beach to Bradley (Illinois) | 84.82 mi (136.51 km) |
| Round Lake Beach to Bradley Gardens (New Jersey) | 704.74 mi (1,134.17 km) |
| Round Lake Beach to Brainerd (Minnesota) | 408.15 mi (656.85 km) |
| Round Lake Beach to Brambleton (Virginia) | 600.01 mi (965.62 km) |
