| Darby to Bridgeport (Connecticut) | 139.52 mi (224.53 km) |
| Darby to Bridgeton (Missouri) | 813.32 mi (1,308.91 km) |
| Darby to Bridgetown (Ohio) | 502.10 mi (808.05 km) |
| Darby to Bridgeview (Illinois) | 667.18 mi (1,073.72 km) |
| Darby to Brigham City (Utah) | 1,915.02 mi (3,081.93 km) |
| Darby to Brighton (Colorado) | 1,557.25 mi (2,506.15 km) |
| Darby to Bristol (Connecticut) | 171.80 mi (276.48 km) |
| Darby to Bristol (Tennessee) | 443.02 mi (712.97 km) |
| Darby to Bristol (Virginia) | 438.15 mi (705.13 km) |
| Darby to Broadlands (Virginia) | 135.56 mi (218.17 km) |
| Darby to Broadview Heights (Ohio) | 350.03 mi (563.32 km) |
| Darby to Brock Hall (Maryland) | 107.96 mi (173.75 km) |
| Darby to Brockton (Massachusetts) | 266.60 mi (429.05 km) |
| Darby to Broken Arrow (Oklahoma) | 1,146.48 mi (1,845.07 km) |
| Darby to Bronx (New York) | 97.51 mi (156.93 km) |
