| Round Lake Beach to Bixby (Oklahoma) | 609.43 mi (980.78 km) |
| Round Lake Beach to Black Forest (Colorado) | 897.07 mi (1,443.70 km) |
| Round Lake Beach to Blackfoot (Idaho) | 1,227.34 mi (1,975.22 km) |
| Round Lake Beach to Blackhawk (California) | 1,803.12 mi (2,901.84 km) |
| Round Lake Beach to Blacksburg (Virginia) | 539.58 mi (868.38 km) |
| Round Lake Beach to Blackwells Mills (New Jersey) | 709.97 mi (1,142.58 km) |
| Round Lake Beach to Blaine (Minnesota) | 320.19 mi (515.29 km) |
| Round Lake Beach to Bloomingdale (Florida) | 1,053.78 mi (1,695.89 km) |
| Round Lake Beach to Bloomingdale (Illinois) | 29.67 mi (47.75 km) |
| Round Lake Beach to Bloomington (California) | 1,682.06 mi (2,707.01 km) |
| Round Lake Beach to Bloomington (Illinois) | 139.34 mi (224.25 km) |
| Round Lake Beach to Bloomington (Indiana) | 236.59 mi (380.75 km) |
| Round Lake Beach to Bloomington (Minnesota) | 311.77 mi (501.75 km) |
| Round Lake Beach to Bloomsburg (Pennsylvania) | 606.79 mi (976.53 km) |
| Round Lake Beach to Blue Ash (Ohio) | 290.12 mi (466.90 km) |
