| Four Corners to Brown Deer (Wisconsin) | 1,728.66 mi (2,782.01 km) |
| Four Corners to Brownsburg (Indiana) | 1,883.78 mi (3,031.65 km) |
| Four Corners to Brownsville (Florida) | 2,703.52 mi (4,350.90 km) |
| Four Corners to Brownsville (Texas) | 1,927.03 mi (3,101.26 km) |
| Four Corners to Brownwood (Texas) | 1,579.45 mi (2,541.88 km) |
| Four Corners to Brunswick (Georgia) | 2,418.67 mi (3,892.47 km) |
| Four Corners to Brunswick (Ohio) | 2,069.62 mi (3,330.74 km) |
| Four Corners to Brushy Creek (Texas) | 1,689.49 mi (2,718.97 km) |
| Four Corners to Bryan (Texas) | 1,741.88 mi (2,803.29 km) |
| Four Corners to Bryant (Arkansas) | 1,755.18 mi (2,824.69 km) |
| Four Corners to Bryn Mawr-Skyway (Washington) | 180.71 mi (290.82 km) |
| Four Corners to Buckeye (Arizona) | 966.32 mi (1,555.15 km) |
| Four Corners to Buckhall (Virginia) | 2,351.11 mi (3,783.75 km) |
| Four Corners to Bucyrus (Ohio) | 2,024.77 mi (3,258.55 km) |
| Four Corners to Buda (Texas) | 1,705.54 mi (2,744.81 km) |
