| Slough to Brownsburg (Indiana) | 3,977.02 mi (6,400.40 km) |
| Slough to Brownsville (Florida) | 4,407.99 mi (7,093.98 km) |
| Slough to Brownsville (Texas) | 5,110.72 mi (8,224.92 km) |
| Slough to Brownwood (Texas) | 4,869.46 mi (7,836.64 km) |
| Slough to Brunswick (Georgia) | 4,194.84 mi (6,750.95 km) |
| Slough to Brunswick (Ohio) | 3,733.07 mi (6,007.79 km) |
| Slough to Brushy Creek (Texas) | 4,884.30 mi (7,860.53 km) |
| Slough to Bryan (Texas) | 4,823.31 mi (7,762.36 km) |
| Slough to Bryant (Arkansas) | 4,469.24 mi (7,192.54 km) |
| Slough to Bryn Mawr-Skyway (Washington) | 4,776.04 mi (7,686.30 km) |
| Slough to Buckeye (Arizona) | 5,274.50 mi (8,488.49 km) |
| Slough to Buckhall (Virginia) | 3,670.82 mi (5,907.62 km) |
| Slough to Bucyrus (Ohio) | 3,798.43 mi (6,112.99 km) |
| Slough to Buda (Texas) | 4,911.45 mi (7,904.22 km) |
| Slough to Buena Park (California) | 5,429.06 mi (8,737.23 km) |
