| Delaware to Buena Park (California) | 1,962.74 mi (3,158.72 km) |
| Delaware to Buenaventura Lakes (Florida) | 831.44 mi (1,338.08 km) |
| Delaware to Buffalo (Minnesota) | 642.80 mi (1,034.48 km) |
| Delaware to Buffalo (New York) | 283.41 mi (456.11 km) |
| Delaware to Buffalo Grove (Illinois) | 285.28 mi (459.11 km) |
| Delaware to Buford (Georgia) | 428.99 mi (690.39 km) |
| Delaware to Bull Run (Virginia) | 313.62 mi (504.72 km) |
| Delaware to Bullhead City (Arizona) | 1,747.41 mi (2,812.18 km) |
| Delaware to Burbank (California) | 1,970.59 mi (3,171.36 km) |
| Delaware to Burbank (Illinois) | 264.65 mi (425.91 km) |
| Delaware to Burien (Washington) | 1,994.67 mi (3,210.11 km) |
| Delaware to Burkburnett (Texas) | 952.88 mi (1,533.51 km) |
| Delaware to Burke (Virginia) | 326.64 mi (525.67 km) |
| Delaware to Burke Centre (Virginia) | 324.48 mi (522.19 km) |
| Delaware to Burleson (Texas) | 955.67 mi (1,538.00 km) |
