| Dubuque to Brie-Comte-Robert | 4,239.49 mi (6,822.80 km) |
| Dubuque to Brignais | 4,440.00 mi (7,145.49 km) |
| Dubuque to Brignoles | 4,584.51 mi (7,378.05 km) |
| Dubuque to Brive-la-Gaillarde | 4,331.83 mi (6,971.40 km) |
| Dubuque to Bron | 4,443.65 mi (7,151.37 km) |
| Dubuque to Bruay-sur-l'Escaut | 4,210.48 mi (6,776.11 km) |
| Dubuque to Bruges | 4,255.01 mi (6,847.78 km) |
| Dubuque to Brumath | 4,429.64 mi (7,128.82 km) |
| Dubuque to Brunoy | 4,235.20 mi (6,815.90 km) |
| Dubuque to Bruz | 4,094.22 mi (6,589.01 km) |
| Dubuque to Bry-sur-Marne | 4,230.51 mi (6,808.34 km) |
| Dubuque to Bully-les-Mines | 4,178.59 mi (6,724.80 km) |
| Dubuque to Bures-sur-Yvette | 4,222.11 mi (6,794.82 km) |
| Dubuque to Bussy-Saint-Georges | 4,237.19 mi (6,819.09 km) |
| Dubuque to Buxerolles | 4,229.61 mi (6,806.90 km) |
