| Placentia to Bonham (Texas) | 1,242.72 mi (1,999.97 km) |
| Placentia to Bonita (California) | 96.59 mi (155.44 km) |
| Placentia to Bonita Springs (Florida) | 2,205.48 mi (3,549.37 km) |
| Placentia to Bonney Lake (Washington) | 945.96 mi (1,522.38 km) |
| Placentia to Boone (Iowa) | 1,416.72 mi (2,279.98 km) |
| Placentia to Boone (North Carolina) | 2,041.54 mi (3,285.54 km) |
| Placentia to Borger (Texas) | 940.80 mi (1,514.07 km) |
| Placentia to Bossier City (Louisiana) | 1,398.36 mi (2,250.44 km) |
| Placentia to Boston (Massachusetts) | 2,575.28 mi (4,144.50 km) |
| Placentia to Bostonia (California) | 90.13 mi (145.06 km) |
| Placentia to Bothell (Washington) | 986.04 mi (1,586.88 km) |
| Placentia to Bothell East (Washington) | 988.00 mi (1,590.03 km) |
| Placentia to Bothell West (Washington) | 988.61 mi (1,591.01 km) |
| Placentia to Boulder (Colorado) | 813.93 mi (1,309.89 km) |
| Placentia to Boulder City (Nevada) | 214.28 mi (344.85 km) |
