| Rockford to Bicaz | 5,110.58 mi (8,224.68 km) |
| Rockford to Bistrita | 5,046.95 mi (8,122.29 km) |
| Rockford to Blaj | 5,073.84 mi (8,165.56 km) |
| Rockford to Bocsa | 5,036.17 mi (8,104.93 km) |
| Rockford to Boldesti-Scaeni | 5,201.98 mi (8,371.78 km) |
| Rockford to Bolintin Vale | 5,221.72 mi (8,403.54 km) |
| Rockford to Borsa | 5,026.94 mi (8,090.08 km) |
| Rockford to Botosani | 5,087.86 mi (8,188.12 km) |
| Rockford to Brad | 5,037.59 mi (8,107.22 km) |
| Rockford to Bragadiru | 5,232.97 mi (8,421.66 km) |
| Rockford to Braila | 5,254.41 mi (8,456.16 km) |
| Rockford to Brasov | 5,156.41 mi (8,298.44 km) |
| Rockford to Breaza | 5,181.71 mi (8,339.16 km) |
| Rockford to Bucharest | 5,234.29 mi (8,423.78 km) |
| Rockford to Buftea | 5,222.19 mi (8,404.30 km) |
