| Delaware to Bound Brook (New Jersey) | 449.20 mi (722.92 km) |
| Delaware to Bountiful (Utah) | 1,504.56 mi (2,421.36 km) |
| Delaware to Bourbonnais (Illinois) | 259.03 mi (416.87 km) |
| Delaware to Bowie (Maryland) | 349.30 mi (562.14 km) |
| Delaware to Bowling Green (Kentucky) | 292.14 mi (470.16 km) |
| Delaware to Bowling Green (Ohio) | 81.26 mi (130.77 km) |
| Delaware to Box Elder (South Dakota) | 1,054.77 mi (1,697.48 km) |
| Delaware to Boynton Beach (Florida) | 965.89 mi (1,554.46 km) |
| Delaware to Bozeman (Montana) | 1,454.46 mi (2,340.72 km) |
| Delaware to Bradenton (Florida) | 884.51 mi (1,423.48 km) |
| Delaware to Bradfordville (Florida) | 674.00 mi (1,084.71 km) |
| Delaware to Bradley (Illinois) | 257.07 mi (413.71 km) |
| Delaware to Bradley Gardens (New Jersey) | 442.40 mi (711.98 km) |
| Delaware to Brainerd (Minnesota) | 697.89 mi (1,123.15 km) |
| Delaware to Brambleton (Virginia) | 308.30 mi (496.16 km) |
