| Montrose to Brownsburg (Indiana) | 3,768.47 mi (6,064.77 km) |
| Montrose to Brownsville (Florida) | 4,287.17 mi (6,899.54 km) |
| Montrose to Brownsville (Texas) | 4,914.40 mi (7,908.96 km) |
| Montrose to Brownwood (Texas) | 4,647.64 mi (7,479.65 km) |
| Montrose to Brunswick (Georgia) | 4,044.73 mi (6,509.37 km) |
| Montrose to Brunswick (Ohio) | 3,533.78 mi (5,687.07 km) |
| Montrose to Brushy Creek (Texas) | 4,671.20 mi (7,517.56 km) |
| Montrose to Bryan (Texas) | 4,614.80 mi (7,426.80 km) |
| Montrose to Bryant (Arkansas) | 4,260.57 mi (6,856.72 km) |
| Montrose to Bryn Mawr-Skyway (Washington) | 4,449.72 mi (7,161.13 km) |
| Montrose to Buckeye (Arizona) | 5,001.71 mi (8,049.48 km) |
| Montrose to Buckhall (Virginia) | 3,500.48 mi (5,633.48 km) |
| Montrose to Bucyrus (Ohio) | 3,597.26 mi (5,789.23 km) |
| Montrose to Buda (Texas) | 4,699.45 mi (7,563.03 km) |
| Montrose to Buena Park (California) | 5,139.46 mi (8,271.16 km) |
