| Dubuque to Bingen am Rhein | 4,386.93 mi (7,060.09 km) |
| Dubuque to Birkenau | 4,432.52 mi (7,133.45 km) |
| Dubuque to Birkenfeld | 4,458.16 mi (7,174.72 km) |
| Dubuque to Bischofsheim | 4,402.48 mi (7,085.11 km) |
| Dubuque to Bischofswerda | 4,558.56 mi (7,336.29 km) |
| Dubuque to Bisingen | 4,491.43 mi (7,228.27 km) |
| Dubuque to Bissendorf | 4,306.44 mi (6,930.55 km) |
| Dubuque to Bitburg | 4,337.21 mi (6,980.07 km) |
| Dubuque to Bitterfeld | 4,474.46 mi (7,200.95 km) |
| Dubuque to Blankenburg | 4,420.71 mi (7,114.45 km) |
| Dubuque to Blankenfelde | 4,480.05 mi (7,209.94 km) |
| Dubuque to Blaubeuren | 4,519.12 mi (7,272.82 km) |
| Dubuque to Bleicherode | 4,422.62 mi (7,117.53 km) |
| Dubuque to Blieskastel | 4,392.58 mi (7,069.17 km) |
| Dubuque to Blomberg | 4,350.21 mi (7,000.99 km) |
