| Delaware to Brown Deer (Wisconsin) | 321.95 mi (518.12 km) |
| Delaware to Brownsburg (Indiana) | 177.73 mi (286.03 km) |
| Delaware to Brownsville (Florida) | 1,012.54 mi (1,629.53 km) |
| Delaware to Brownsville (Texas) | 1,287.52 mi (2,072.06 km) |
| Delaware to Brownwood (Texas) | 1,065.57 mi (1,714.87 km) |
| Delaware to Brunswick (Georgia) | 637.84 mi (1,026.50 km) |
| Delaware to Brunswick (Ohio) | 93.38 mi (150.29 km) |
| Delaware to Brushy Creek (Texas) | 1,064.24 mi (1,712.73 km) |
| Delaware to Bryan (Texas) | 999.11 mi (1,607.91 km) |
| Delaware to Bryant (Arkansas) | 647.67 mi (1,042.33 km) |
| Delaware to Bryn Mawr-Skyway (Washington) | 1,990.07 mi (3,202.71 km) |
| Delaware to Buckeye (Arizona) | 1,692.96 mi (2,724.56 km) |
| Delaware to Buckhall (Virginia) | 318.69 mi (512.88 km) |
| Delaware to Bucyrus (Ohio) | 36.35 mi (58.50 km) |
| Delaware to Buda (Texas) | 1,089.89 mi (1,754.01 km) |
