| Dubuque to Bernburg | 4,446.91 mi (7,156.61 km) |
| Dubuque to Bersenbruck | 4,286.01 mi (6,897.67 km) |
| Dubuque to Besigheim | 4,471.35 mi (7,195.95 km) |
| Dubuque to Bestwig | 4,348.89 mi (6,998.86 km) |
| Dubuque to Betzdorf | 4,353.28 mi (7,005.93 km) |
| Dubuque to Beverstedt | 4,281.72 mi (6,890.77 km) |
| Dubuque to Beverungen | 4,371.12 mi (7,034.64 km) |
| Dubuque to Bexbach | 4,388.28 mi (7,062.25 km) |
| Dubuque to Biberach | 4,532.08 mi (7,293.68 km) |
| Dubuque to Biblis | 4,418.26 mi (7,110.51 km) |
| Dubuque to Bieber | 4,386.06 mi (7,058.69 km) |
| Dubuque to Biedenkopf | 4,371.69 mi (7,035.56 km) |
| Dubuque to Bielefeld | 4,327.63 mi (6,964.65 km) |
| Dubuque to Bietigheim-Bissingen | 4,472.35 mi (7,197.55 km) |
| Dubuque to Billerbeck | 4,285.87 mi (6,897.44 km) |
