| Rock Island to Bonham (Texas) | 624.93 mi (1,005.73 km) |
| Rock Island to Bonita (California) | 1,571.87 mi (2,529.68 km) |
| Rock Island to Bonita Springs (Florida) | 1,158.15 mi (1,863.86 km) |
| Rock Island to Bonney Lake (Washington) | 1,598.47 mi (2,572.49 km) |
| Rock Island to Boone (Iowa) | 174.49 mi (280.81 km) |
| Rock Island to Boone (North Carolina) | 601.32 mi (967.73 km) |
| Rock Island to Borger (Texas) | 708.17 mi (1,139.69 km) |
| Rock Island to Bossier City (Louisiana) | 641.08 mi (1,031.73 km) |
| Rock Island to Boston (Massachusetts) | 1,002.30 mi (1,613.05 km) |
| Rock Island to Bostonia (California) | 1,562.42 mi (2,514.48 km) |
| Rock Island to Bothell (Washington) | 1,602.45 mi (2,578.89 km) |
| Rock Island to Bothell East (Washington) | 1,601.68 mi (2,577.66 km) |
| Rock Island to Bothell West (Washington) | 1,604.26 mi (2,581.80 km) |
| Rock Island to Boulder (Colorado) | 773.39 mi (1,244.65 km) |
| Rock Island to Boulder City (Nevada) | 1,364.61 mi (2,196.13 km) |
