| Mill Valley to Buena Park (California) | 377.89 mi (608.15 km) |
| Mill Valley to Buenaventura Lakes (Florida) | 2,452.04 mi (3,946.18 km) |
| Mill Valley to Buffalo (Minnesota) | 1,556.07 mi (2,504.25 km) |
| Mill Valley to Buffalo (New York) | 2,298.42 mi (3,698.94 km) |
| Mill Valley to Buffalo Grove (Illinois) | 1,839.92 mi (2,961.07 km) |
| Mill Valley to Buford (Georgia) | 2,155.06 mi (3,468.24 km) |
| Mill Valley to Bull Run (Virginia) | 2,415.37 mi (3,887.16 km) |
| Mill Valley to Bullhead City (Arizona) | 483.79 mi (778.58 km) |
| Mill Valley to Burbank (California) | 348.66 mi (561.12 km) |
| Mill Valley to Burbank (Illinois) | 1,851.33 mi (2,979.42 km) |
| Mill Valley to Burien (Washington) | 661.14 mi (1,064.00 km) |
| Mill Valley to Burkburnett (Texas) | 1,362.23 mi (2,192.29 km) |
| Mill Valley to Burke (Virginia) | 2,428.90 mi (3,908.93 km) |
| Mill Valley to Burke Centre (Virginia) | 2,426.77 mi (3,905.51 km) |
| Mill Valley to Burleson (Texas) | 1,465.93 mi (2,359.18 km) |
