| Darby to Beeville (Texas) | 1,505.30 mi (2,422.54 km) |
| Darby to Bel Air (Maryland) | 63.53 mi (102.24 km) |
| Darby to Bel Air North (Maryland) | 64.29 mi (103.47 km) |
| Darby to Bel Air South (Maryland) | 62.88 mi (101.19 km) |
| Darby to Belgrade (Montana) | 1,847.14 mi (2,972.69 km) |
| Darby to Bell (California) | 2,381.84 mi (3,833.21 km) |
| Darby to Bell Gardens (California) | 2,380.90 mi (3,831.69 km) |
| Darby to Bella Vista (Arkansas) | 1,057.29 mi (1,701.54 km) |
| Darby to Bellair-Meadowbrook Terrace (Florida) | 765.75 mi (1,232.35 km) |
| Darby to Bellaire (Texas) | 1,341.09 mi (2,158.28 km) |
| Darby to Belle Chasse (Louisiana) | 1,084.50 mi (1,745.34 km) |
| Darby to Belle Glade (Florida) | 965.34 mi (1,553.57 km) |
| Darby to Bellefontaine (Ohio) | 449.92 mi (724.08 km) |
| Darby to Bellefontaine Neighbors (Missouri) | 802.93 mi (1,292.19 km) |
| Darby to Belleville (Illinois) | 793.46 mi (1,276.95 km) |
