| Rockford to Bixby (Oklahoma) | 568.62 mi (915.11 km) |
| Rockford to Black Forest (Colorado) | 846.19 mi (1,361.81 km) |
| Rockford to Blackfoot (Idaho) | 1,179.61 mi (1,898.41 km) |
| Rockford to Blackhawk (California) | 1,753.09 mi (2,821.32 km) |
| Rockford to Blacksburg (Virginia) | 575.05 mi (925.45 km) |
| Rockford to Blackwells Mills (New Jersey) | 759.20 mi (1,221.82 km) |
| Rockford to Blaine (Minnesota) | 288.45 mi (464.22 km) |
| Rockford to Bloomingdale (Florida) | 1,064.56 mi (1,713.24 km) |
| Rockford to Bloomingdale (Illinois) | 54.35 mi (87.47 km) |
| Rockford to Bloomington (California) | 1,631.18 mi (2,625.14 km) |
| Rockford to Bloomington (Illinois) | 123.35 mi (198.51 km) |
| Rockford to Bloomington (Indiana) | 251.82 mi (405.26 km) |
| Rockford to Bloomington (Minnesota) | 277.21 mi (446.12 km) |
| Rockford to Bloomsburg (Pennsylvania) | 656.25 mi (1,056.14 km) |
| Rockford to Blue Ash (Ohio) | 321.36 mi (517.18 km) |
