| Glenmont to Brown Deer (Wisconsin) | 634.89 mi (1,021.75 km) |
| Glenmont to Brownsburg (Indiana) | 500.66 mi (805.73 km) |
| Glenmont to Brownsville (Florida) | 933.94 mi (1,503.03 km) |
| Glenmont to Brownsville (Texas) | 1,487.08 mi (2,393.23 km) |
| Glenmont to Brownwood (Texas) | 1,331.39 mi (2,142.67 km) |
| Glenmont to Brunswick (Georgia) | 601.83 mi (968.55 km) |
| Glenmont to Brunswick (Ohio) | 293.44 mi (472.25 km) |
| Glenmont to Brushy Creek (Texas) | 1,310.29 mi (2,108.71 km) |
| Glenmont to Bryan (Texas) | 1,236.72 mi (1,990.30 km) |
| Glenmont to Bryant (Arkansas) | 906.35 mi (1,458.63 km) |
| Glenmont to Bryn Mawr-Skyway (Washington) | 2,311.60 mi (3,720.17 km) |
| Glenmont to Buckeye (Arizona) | 2,008.02 mi (3,231.60 km) |
| Glenmont to Buckhall (Virginia) | 32.19 mi (51.80 km) |
| Glenmont to Bucyrus (Ohio) | 335.94 mi (540.64 km) |
| Glenmont to Buda (Texas) | 1,332.21 mi (2,143.98 km) |
