| Darby to Beacon (New York) | 128.68 mi (207.09 km) |
| Darby to Bear (Delaware) | 30.54 mi (49.15 km) |
| Darby to Beatrice (Nebraska) | 1,133.00 mi (1,823.38 km) |
| Darby to Beaufort (South Carolina) | 598.48 mi (963.17 km) |
| Darby to Beaumont (California) | 2,320.14 mi (3,733.90 km) |
| Darby to Beaumont (Texas) | 1,262.44 mi (2,031.70 km) |
| Darby to Beaver Dam (Wisconsin) | 740.73 mi (1,192.08 km) |
| Darby to Beavercreek (Ohio) | 467.03 mi (751.60 km) |
| Darby to Beaverton (Oregon) | 2,409.22 mi (3,877.27 km) |
| Darby to Beckley (West Virginia) | 351.03 mi (564.93 km) |
| Darby to Bedford (Indiana) | 603.63 mi (971.45 km) |
| Darby to Bedford (Ohio) | 344.16 mi (553.87 km) |
| Darby to Bedford (Texas) | 1,306.92 mi (2,103.28 km) |
| Darby to Bedford Heights (Ohio) | 342.85 mi (551.76 km) |
| Darby to Beech Grove (Indiana) | 574.35 mi (924.33 km) |
