| Douai to Black Forest (Colorado) | 4,868.97 mi (7,835.85 km) |
| Douai to Blackfoot (Idaho) | 4,897.37 mi (7,881.55 km) |
| Douai to Blackhawk (California) | 5,488.56 mi (8,832.98 km) |
| Douai to Blacksburg (Virginia) | 4,037.78 mi (6,498.17 km) |
| Douai to Blackwells Mills (New Jersey) | 3,653.55 mi (5,879.81 km) |
| Douai to Blaine (Minnesota) | 4,159.42 mi (6,693.95 km) |
| Douai to Bloomingdale (Florida) | 4,563.69 mi (7,344.56 km) |
| Douai to Bloomingdale (Illinois) | 4,121.89 mi (6,633.55 km) |
| Douai to Bloomington (California) | 5,568.92 mi (8,962.31 km) |
| Douai to Bloomington (Illinois) | 4,224.71 mi (6,799.01 km) |
| Douai to Bloomington (Indiana) | 4,192.02 mi (6,746.40 km) |
| Douai to Bloomington (Minnesota) | 4,179.27 mi (6,725.89 km) |
| Douai to Bloomsburg (Pennsylvania) | 3,706.74 mi (5,965.42 km) |
| Douai to Blue Ash (Ohio) | 4,103.63 mi (6,604.16 km) |
| Douai to Blue Island (Illinois) | 4,119.94 mi (6,630.39 km) |
