| Fallbrook to Bonham (Texas) | 1,210.30 mi (1,947.79 km) |
| Fallbrook to Bonita (California) | 49.97 mi (80.41 km) |
| Fallbrook to Bonita Springs (Florida) | 2,167.11 mi (3,487.63 km) |
| Fallbrook to Bonney Lake (Washington) | 988.58 mi (1,590.97 km) |
| Fallbrook to Boone (Iowa) | 1,404.13 mi (2,259.72 km) |
| Fallbrook to Boone (North Carolina) | 2,015.98 mi (3,244.41 km) |
| Fallbrook to Borger (Texas) | 913.67 mi (1,470.41 km) |
| Fallbrook to Bossier City (Louisiana) | 1,364.35 mi (2,195.72 km) |
| Fallbrook to Boston (Massachusetts) | 2,559.44 mi (4,119.02 km) |
| Fallbrook to Bostonia (California) | 41.29 mi (66.45 km) |
| Fallbrook to Bothell (Washington) | 1,028.39 mi (1,655.04 km) |
| Fallbrook to Bothell East (Washington) | 1,030.31 mi (1,658.13 km) |
| Fallbrook to Bothell West (Washington) | 1,030.99 mi (1,659.21 km) |
| Fallbrook to Boulder (Colorado) | 805.96 mi (1,297.06 km) |
| Fallbrook to Boulder City (Nevada) | 215.09 mi (346.15 km) |
