| Duffel to Buenaventura Lakes (Florida) | 4,549.59 mi (7,321.85 km) |
| Duffel to Buffalo (Minnesota) | 4,202.49 mi (6,763.25 km) |
| Duffel to Buffalo (New York) | 3,754.74 mi (6,042.67 km) |
| Duffel to Buffalo Grove (Illinois) | 4,135.03 mi (6,654.69 km) |
| Duffel to Buford (Georgia) | 4,370.26 mi (7,033.25 km) |
| Duffel to Bull Run (Virginia) | 3,887.99 mi (6,257.12 km) |
| Duffel to Bullhead City (Arizona) | 5,428.49 mi (8,736.31 km) |
| Duffel to Burbank (California) | 5,599.88 mi (9,012.14 km) |
| Duffel to Burbank (Illinois) | 4,147.98 mi (6,675.54 km) |
| Duffel to Burien (Washington) | 4,933.17 mi (7,939.17 km) |
| Duffel to Burkburnett (Texas) | 4,936.11 mi (7,943.90 km) |
| Duffel to Burke (Virginia) | 3,877.77 mi (6,240.66 km) |
| Duffel to Burke Centre (Virginia) | 3,878.65 mi (6,242.08 km) |
| Duffel to Burleson (Texas) | 4,972.30 mi (8,002.14 km) |
| Duffel to Burley (Idaho) | 4,984.25 mi (8,021.38 km) |
