| Gateway to Brown Deer (Wisconsin) | 1,198.84 mi (1,929.35 km) |
| Gateway to Brownsburg (Indiana) | 953.85 mi (1,535.07 km) |
| Gateway to Brownsville (Florida) | 106.87 mi (171.99 km) |
| Gateway to Brownsville (Texas) | 973.63 mi (1,566.90 km) |
| Gateway to Brownwood (Texas) | 1,097.17 mi (1,765.72 km) |
| Gateway to Brunswick (Georgia) | 315.87 mi (508.35 km) |
| Gateway to Brunswick (Ohio) | 1,013.41 mi (1,630.93 km) |
| Gateway to Brushy Creek (Texas) | 1,007.02 mi (1,620.64 km) |
| Gateway to Bryan (Texas) | 930.61 mi (1,497.68 km) |
| Gateway to Bryant (Arkansas) | 845.64 mi (1,360.92 km) |
| Gateway to Bryn Mawr-Skyway (Washington) | 2,616.87 mi (4,211.45 km) |
| Gateway to Buckeye (Arizona) | 1,900.71 mi (3,058.89 km) |
| Gateway to Buckhall (Virginia) | 875.25 mi (1,408.58 km) |
| Gateway to Bucyrus (Ohio) | 985.43 mi (1,585.89 km) |
| Gateway to Buda (Texas) | 1,007.81 mi (1,621.91 km) |
