| Rockford to Blumberg | 4,446.44 mi (7,155.85 km) |
| Rockford to Bobenheim-Roxheim | 4,370.61 mi (7,033.81 km) |
| Rockford to Bobingen | 4,514.23 mi (7,264.95 km) |
| Rockford to Boblingen | 4,430.49 mi (7,130.19 km) |
| Rockford to Bocholt | 4,220.83 mi (6,792.77 km) |
| Rockford to Bochum | 4,255.59 mi (6,848.71 km) |
| Rockford to Bockenem | 4,338.54 mi (6,982.20 km) |
| Rockford to Bockhorn | 4,211.60 mi (6,777.91 km) |
| Rockford to Bogen | 4,555.24 mi (7,330.95 km) |
| Rockford to Bohl-Iggelheim | 4,377.04 mi (7,044.17 km) |
| Rockford to Bohmte | 4,261.14 mi (6,857.63 km) |
| Rockford to Boizenburg | 4,305.44 mi (6,928.94 km) |
| Rockford to Bonen | 4,270.65 mi (6,872.95 km) |
| Rockford to Bonn | 4,279.85 mi (6,887.75 km) |
| Rockford to Bopfingen | 4,472.93 mi (7,198.49 km) |
