| Rock Island to Buena Park (California) | 1,581.37 mi (2,544.97 km) |
| Rock Island to Buenaventura Lakes (Florida) | 1,045.93 mi (1,683.25 km) |
| Rock Island to Buffalo (Minnesota) | 304.73 mi (490.42 km) |
| Rock Island to Buffalo (New York) | 608.31 mi (978.97 km) |
| Rock Island to Buffalo Grove (Illinois) | 143.31 mi (230.64 km) |
| Rock Island to Buford (Georgia) | 622.05 mi (1,001.09 km) |
| Rock Island to Bull Run (Virginia) | 713.89 mi (1,148.90 km) |
| Rock Island to Bullhead City (Arizona) | 1,366.21 mi (2,198.70 km) |
| Rock Island to Burbank (California) | 1,587.24 mi (2,554.41 km) |
| Rock Island to Burbank (Illinois) | 146.61 mi (235.94 km) |
| Rock Island to Burien (Washington) | 1,607.44 mi (2,586.92 km) |
| Rock Island to Burkburnett (Texas) | 671.11 mi (1,080.05 km) |
| Rock Island to Burke (Virginia) | 727.04 mi (1,170.06 km) |
| Rock Island to Burke Centre (Virginia) | 724.88 mi (1,166.59 km) |
| Rock Island to Burleson (Texas) | 721.56 mi (1,161.24 km) |
