| Rockford to Bougival | 4,162.63 mi (6,699.11 km) |
| Rockford to Bouguenais | 4,073.47 mi (6,555.62 km) |
| Rockford to Boulogne-Billancourt | 4,167.64 mi (6,707.17 km) |
| Rockford to Boulogne-sur-Mer | 4,076.46 mi (6,560.43 km) |
| Rockford to Bourg-de-Peage | 4,422.21 mi (7,116.86 km) |
| Rockford to Bourg-en-Bresse | 4,383.52 mi (7,054.59 km) |
| Rockford to Bourg-la-Reine | 4,172.53 mi (6,715.04 km) |
| Rockford to Bourg-les-Valence | 4,419.56 mi (7,112.59 km) |
| Rockford to Bourges | 4,237.96 mi (6,820.34 km) |
| Rockford to Bourgoin-Jallieu | 4,409.56 mi (7,096.49 km) |
| Rockford to Bressuire | 4,131.26 mi (6,648.63 km) |
| Rockford to Brest | 3,916.36 mi (6,302.77 km) |
| Rockford to Bretigny-sur-Orge | 4,178.28 mi (6,724.30 km) |
| Rockford to Breuillet | 4,174.70 mi (6,718.53 km) |
| Rockford to Briancon | 4,491.17 mi (7,227.84 km) |
