| Rockford to Buena Park (California) | 1,668.24 mi (2,684.77 km) |
| Rockford to Buenaventura Lakes (Florida) | 1,054.63 mi (1,697.27 km) |
| Rockford to Buffalo (Minnesota) | 313.21 mi (504.06 km) |
| Rockford to Buffalo (New York) | 521.27 mi (838.91 km) |
| Rockford to Buffalo Grove (Illinois) | 56.78 mi (91.37 km) |
| Rockford to Buford (Georgia) | 626.00 mi (1,007.45 km) |
| Rockford to Bull Run (Virginia) | 651.55 mi (1,048.57 km) |
| Rockford to Bullhead City (Arizona) | 1,453.42 mi (2,339.06 km) |
| Rockford to Burbank (California) | 1,673.37 mi (2,693.04 km) |
| Rockford to Burbank (Illinois) | 75.44 mi (121.40 km) |
| Rockford to Burien (Washington) | 1,655.36 mi (2,664.04 km) |
| Rockford to Burkburnett (Texas) | 764.72 mi (1,230.69 km) |
| Rockford to Burke (Virginia) | 664.17 mi (1,068.88 km) |
| Rockford to Burke Centre (Virginia) | 662.00 mi (1,065.39 km) |
| Rockford to Burleson (Texas) | 811.03 mi (1,305.22 km) |
