| Duchcov to Black Forest (Colorado) | 5,208.27 mi (8,381.90 km) |
| Duchcov to Blackfoot (Idaho) | 5,192.02 mi (8,355.75 km) |
| Duchcov to Blackhawk (California) | 5,761.11 mi (9,271.61 km) |
| Duchcov to Blacksburg (Virginia) | 4,455.43 mi (7,170.33 km) |
| Duchcov to Blackwells Mills (New Jersey) | 4,073.92 mi (6,556.34 km) |
| Duchcov to Blaine (Minnesota) | 4,513.08 mi (7,263.11 km) |
| Duchcov to Bloomingdale (Florida) | 5,001.32 mi (8,048.84 km) |
| Duchcov to Bloomingdale (Illinois) | 4,503.51 mi (7,247.70 km) |
| Duchcov to Bloomington (California) | 5,874.24 mi (9,453.68 km) |
| Duchcov to Bloomington (Illinois) | 4,609.35 mi (7,418.04 km) |
| Duchcov to Bloomington (Indiana) | 4,588.07 mi (7,383.78 km) |
| Duchcov to Bloomington (Minnesota) | 4,534.03 mi (7,296.82 km) |
| Duchcov to Bloomsburg (Pennsylvania) | 4,121.23 mi (6,632.48 km) |
| Duchcov to Blue Ash (Ohio) | 4,505.03 mi (7,250.15 km) |
| Duchcov to Blue Island (Illinois) | 4,503.80 mi (7,248.17 km) |
