| Box Elder to Bonham (Texas) | 815.50 mi (1,312.42 km) |
| Box Elder to Bonita (California) | 1,090.66 mi (1,755.24 km) |
| Box Elder to Bonita Springs (Florida) | 1,707.32 mi (2,747.66 km) |
| Box Elder to Bonney Lake (Washington) | 943.47 mi (1,518.37 km) |
| Box Elder to Boone (Iowa) | 485.49 mi (781.33 km) |
| Box Elder to Boone (North Carolina) | 1,250.62 mi (2,012.68 km) |
| Box Elder to Borger (Texas) | 590.71 mi (950.66 km) |
| Box Elder to Bossier City (Louisiana) | 948.12 mi (1,525.85 km) |
| Box Elder to Boston (Massachusetts) | 1,605.75 mi (2,584.20 km) |
| Box Elder to Bostonia (California) | 1,079.45 mi (1,737.20 km) |
| Box Elder to Bothell (Washington) | 950.19 mi (1,529.18 km) |
| Box Elder to Bothell East (Washington) | 949.60 mi (1,528.24 km) |
| Box Elder to Bothell West (Washington) | 952.15 mi (1,532.34 km) |
| Box Elder to Boulder (Colorado) | 303.52 mi (488.47 km) |
| Box Elder to Boulder City (Nevada) | 846.85 mi (1,362.87 km) |
