| Dubuque to Bagnolet | 4,225.48 mi (6,800.25 km) |
| Dubuque to Bagnols-sur-Ceze | 4,495.60 mi (7,234.97 km) |
| Dubuque to Bailleul | 4,168.07 mi (6,707.86 km) |
| Dubuque to Balma | 4,390.75 mi (7,066.23 km) |
| Dubuque to Bar-le-Duc | 4,333.37 mi (6,973.88 km) |
| Dubuque to Barentin | 4,144.68 mi (6,670.21 km) |
| Dubuque to Basse-Goulaine | 4,134.36 mi (6,653.62 km) |
| Dubuque to Bastia | 4,749.41 mi (7,643.44 km) |
| Dubuque to Bayeux | 4,090.52 mi (6,583.06 km) |
| Dubuque to Bayonne | 4,271.64 mi (6,874.54 km) |
| Dubuque to Beaucaire | 4,510.97 mi (7,259.71 km) |
| Dubuque to Beauchamp | 4,211.36 mi (6,777.54 km) |
| Dubuque to Beaumont | 4,370.87 mi (7,034.23 km) |
| Dubuque to Beaumont-sur-Oise | 4,210.25 mi (6,775.74 km) |
| Dubuque to Beaune | 4,389.54 mi (7,064.28 km) |
