| Delaware to Beeville (Texas) | 1,169.32 mi (1,881.84 km) |
| Delaware to Bel Air (Maryland) | 360.24 mi (579.74 km) |
| Delaware to Bel Air North (Maryland) | 358.57 mi (577.06 km) |
| Delaware to Bel Air South (Maryland) | 362.47 mi (583.33 km) |
| Delaware to Belgrade (Montana) | 1,460.68 mi (2,350.74 km) |
| Delaware to Bell (California) | 1,968.62 mi (3,168.18 km) |
| Delaware to Bell Gardens (California) | 1,967.68 mi (3,166.68 km) |
| Delaware to Bella Vista (Arkansas) | 660.74 mi (1,063.35 km) |
| Delaware to Bellair-Meadowbrook Terrace (Florida) | 702.26 mi (1,130.18 km) |
| Delaware to Bellaire (Texas) | 1,010.96 mi (1,626.99 km) |
| Delaware to Belle Chasse (Louisiana) | 819.59 mi (1,319.01 km) |
| Delaware to Belle Glade (Florida) | 949.31 mi (1,527.76 km) |
| Delaware to Bellefontaine (Ohio) | 36.68 mi (59.04 km) |
| Delaware to Bellefontaine Neighbors (Missouri) | 395.59 mi (636.65 km) |
| Delaware to Belleville (Illinois) | 388.81 mi (625.73 km) |
