| Duchcov to Bonita (California) | 5,948.45 mi (9,573.10 km) |
| Duchcov to Bonita Springs (Florida) | 5,060.89 mi (8,144.72 km) |
| Duchcov to Bonney Lake (Washington) | 5,189.72 mi (8,352.04 km) |
| Duchcov to Boone (Iowa) | 4,696.92 mi (7,558.96 km) |
| Duchcov to Boone (North Carolina) | 4,553.74 mi (7,328.54 km) |
| Duchcov to Borger (Texas) | 5,294.08 mi (8,520.00 km) |
| Duchcov to Bossier City (Louisiana) | 5,196.34 mi (8,362.70 km) |
| Duchcov to Boston (Massachusetts) | 3,853.17 mi (6,201.07 km) |
| Duchcov to Bostonia (California) | 5,936.85 mi (9,554.44 km) |
| Duchcov to Bothell (Washington) | 5,153.93 mi (8,294.45 km) |
| Duchcov to Bothell East (Washington) | 5,151.48 mi (8,290.51 km) |
| Duchcov to Bothell West (Washington) | 5,152.72 mi (8,292.49 km) |
| Duchcov to Boulder (Colorado) | 5,171.53 mi (8,322.78 km) |
| Duchcov to Boulder City (Nevada) | 5,698.33 mi (9,170.57 km) |
| Duchcov to Bound Brook (New Jersey) | 4,067.42 mi (6,545.89 km) |
