| Darby to Bonham (Texas) | 1,234.81 mi (1,987.24 km) |
| Darby to Bonita (California) | 2,357.22 mi (3,793.58 km) |
| Darby to Bonita Springs (Florida) | 1,009.66 mi (1,624.88 km) |
| Darby to Bonney Lake (Washington) | 2,364.82 mi (3,805.80 km) |
| Darby to Boone (Iowa) | 980.03 mi (1,577.21 km) |
| Darby to Boone (North Carolina) | 432.39 mi (695.87 km) |
| Darby to Borger (Texas) | 1,451.83 mi (2,336.49 km) |
| Darby to Bossier City (Louisiana) | 1,143.19 mi (1,839.78 km) |
| Darby to Boston (Massachusetts) | 273.24 mi (439.73 km) |
| Darby to Bostonia (California) | 2,348.53 mi (3,779.59 km) |
| Darby to Bothell (Washington) | 2,362.93 mi (3,802.77 km) |
| Darby to Bothell East (Washington) | 2,361.83 mi (3,801.00 km) |
| Darby to Bothell West (Washington) | 2,364.41 mi (3,805.15 km) |
| Darby to Boulder (Colorado) | 1,580.45 mi (2,543.49 km) |
| Darby to Boulder City (Nevada) | 2,163.50 mi (3,481.82 km) |
