| Rock Island to Bound Brook (New Jersey) | 837.52 mi (1,347.85 km) |
| Rock Island to Bountiful (Utah) | 1,104.85 mi (1,778.09 km) |
| Rock Island to Bourbonnais (Illinois) | 141.70 mi (228.05 km) |
| Rock Island to Bowie (Maryland) | 749.84 mi (1,206.76 km) |
| Rock Island to Bowling Green (Kentucky) | 381.76 mi (614.38 km) |
| Rock Island to Bowling Green (Ohio) | 359.16 mi (578.01 km) |
| Rock Island to Box Elder (South Dakota) | 658.76 mi (1,060.17 km) |
| Rock Island to Boynton Beach (Florida) | 1,192.68 mi (1,919.43 km) |
| Rock Island to Bozeman (Montana) | 1,061.99 mi (1,709.11 km) |
| Rock Island to Bradenton (Florida) | 1,066.93 mi (1,717.06 km) |
| Rock Island to Bradfordville (Florida) | 832.33 mi (1,339.51 km) |
| Rock Island to Bradley (Illinois) | 143.62 mi (231.13 km) |
| Rock Island to Bradley Gardens (New Jersey) | 830.77 mi (1,337.00 km) |
| Rock Island to Brainerd (Minnesota) | 382.42 mi (615.45 km) |
| Rock Island to Brambleton (Virginia) | 708.85 mi (1,140.79 km) |
