| Grass Valley to Bonham (Texas) | 1,431.20 mi (2,303.29 km) |
| Grass Valley to Bonita (California) | 505.80 mi (814.01 km) |
| Grass Valley to Bonita Springs (Florida) | 2,425.15 mi (3,902.90 km) |
| Grass Valley to Bonney Lake (Washington) | 552.52 mi (889.19 km) |
| Grass Valley to Boone (Iowa) | 1,432.01 mi (2,304.60 km) |
| Grass Valley to Boone (North Carolina) | 2,145.73 mi (3,453.23 km) |
| Grass Valley to Borger (Texas) | 1,103.40 mi (1,775.75 km) |
| Grass Valley to Bossier City (Louisiana) | 1,594.60 mi (2,566.26 km) |
| Grass Valley to Boston (Massachusetts) | 2,585.62 mi (4,161.15 km) |
| Grass Valley to Bostonia (California) | 498.29 mi (801.92 km) |
| Grass Valley to Bothell (Washington) | 593.52 mi (955.18 km) |
| Grass Valley to Bothell East (Washington) | 595.69 mi (958.67 km) |
| Grass Valley to Bothell West (Washington) | 595.90 mi (959.02 km) |
| Grass Valley to Boulder (Colorado) | 841.56 mi (1,354.35 km) |
| Grass Valley to Boulder City (Nevada) | 408.89 mi (658.04 km) |
