| Dubuque to Beuvry | 4,174.06 mi (6,717.49 km) |
| Dubuque to Beziers | 4,471.76 mi (7,196.60 km) |
| Dubuque to Bezons | 4,215.70 mi (6,784.51 km) |
| Dubuque to Biarritz | 4,268.66 mi (6,869.75 km) |
| Dubuque to Biganos | 4,248.94 mi (6,838.01 km) |
| Dubuque to Billere | 4,324.11 mi (6,958.98 km) |
| Dubuque to Biot | 4,616.49 mi (7,429.52 km) |
| Dubuque to Biscarrosse | 4,250.72 mi (6,840.87 km) |
| Dubuque to Bischheim | 4,436.03 mi (7,139.10 km) |
| Dubuque to Bischwiller | 4,433.73 mi (7,135.40 km) |
| Dubuque to Blagnac | 4,385.28 mi (7,057.43 km) |
| Dubuque to Blain | 4,113.07 mi (6,619.35 km) |
| Dubuque to Blanquefort | 4,252.94 mi (6,844.44 km) |
| Dubuque to Blois | 4,231.06 mi (6,809.23 km) |
| Dubuque to Bobigny | 4,224.75 mi (6,799.08 km) |
