| Mill Valley to Baraboo (Wisconsin) | 1,749.04 mi (2,814.80 km) |
| Mill Valley to Barberton (Ohio) | 2,174.35 mi (3,499.28 km) |
| Mill Valley to Bardstown (Kentucky) | 2,009.40 mi (3,233.81 km) |
| Mill Valley to Barrington (Illinois) | 1,831.45 mi (2,947.43 km) |
| Mill Valley to Barstow (California) | 370.84 mi (596.82 km) |
| Mill Valley to Bartlesville (Oklahoma) | 1,458.65 mi (2,347.47 km) |
| Mill Valley to Bartlett (Illinois) | 1,827.92 mi (2,941.76 km) |
| Mill Valley to Bartlett (Tennessee) | 1,815.83 mi (2,922.30 km) |
| Mill Valley to Bartow (Florida) | 2,440.57 mi (3,927.71 km) |
| Mill Valley to Batavia (Illinois) | 1,823.04 mi (2,933.90 km) |
| Mill Valley to Batavia (New York) | 2,331.23 mi (3,751.76 km) |
| Mill Valley to Batesville (Arkansas) | 1,708.31 mi (2,749.26 km) |
| Mill Valley to Baton Rouge (Louisiana) | 1,858.29 mi (2,990.62 km) |
| Mill Valley to Battle Creek (Michigan) | 1,978.97 mi (3,184.84 km) |
| Mill Valley to Battle Ground (Washington) | 543.63 mi (874.88 km) |
