| Rockford to Burley (Idaho) | 1,257.39 mi (2,023.57 km) |
| Rockford to Burlingame (California) | 1,782.21 mi (2,868.19 km) |
| Rockford to Burlington (Iowa) | 146.39 mi (235.59 km) |
| Rockford to Burlington (Kentucky) | 319.07 mi (513.49 km) |
| Rockford to Burlington (North Carolina) | 667.63 mi (1,074.45 km) |
| Rockford to Burlington (Vermont) | 808.56 mi (1,301.26 km) |
| Rockford to Burlington (Wisconsin) | 49.50 mi (79.66 km) |
| Rockford to Burnsville (Minnesota) | 273.02 mi (439.38 km) |
| Rockford to Burr Ridge (Illinois) | 68.53 mi (110.29 km) |
| Rockford to Burton (Michigan) | 281.48 mi (453.00 km) |
| Rockford to Burtonsville (Maryland) | 670.79 mi (1,079.53 km) |
| Rockford to Butler (Pennsylvania) | 483.45 mi (778.05 km) |
| Rockford to Butte (Montana) | 1,193.07 mi (1,920.06 km) |
| Rockford to Byram (Mississippi) | 699.03 mi (1,124.98 km) |
| Rockford to Cabot (Arkansas) | 527.93 mi (849.62 km) |
