| Mill Valley to Bonham (Texas) | 1,502.26 mi (2,417.65 km) |
| Mill Valley to Bonita (California) | 477.20 mi (767.98 km) |
| Mill Valley to Bonita Springs (Florida) | 2,492.22 mi (4,010.85 km) |
| Mill Valley to Bonney Lake (Washington) | 640.81 mi (1,031.28 km) |
| Mill Valley to Boone (Iowa) | 1,536.88 mi (2,473.37 km) |
| Mill Valley to Boone (North Carolina) | 2,238.69 mi (3,602.82 km) |
| Mill Valley to Borger (Texas) | 1,177.56 mi (1,895.10 km) |
| Mill Valley to Bossier City (Louisiana) | 1,664.76 mi (2,679.17 km) |
| Mill Valley to Boston (Massachusetts) | 2,694.54 mi (4,336.44 km) |
| Mill Valley to Bostonia (California) | 472.05 mi (759.69 km) |
| Mill Valley to Bothell (Washington) | 681.81 mi (1,097.27 km) |
| Mill Valley to Bothell East (Washington) | 684.11 mi (1,100.97 km) |
| Mill Valley to Bothell West (Washington) | 683.99 mi (1,100.77 km) |
| Mill Valley to Boulder (Colorado) | 938.72 mi (1,510.72 km) |
| Mill Valley to Boulder City (Nevada) | 444.39 mi (715.18 km) |
