| Castleford to Bonita (California) | 5,343.40 mi (8,599.37 km) |
| Castleford to Bonita Springs (Florida) | 4,388.21 mi (7,062.14 km) |
| Castleford to Bonney Lake (Washington) | 4,652.99 mi (7,488.26 km) |
| Castleford to Boone (Iowa) | 4,050.73 mi (6,519.01 km) |
| Castleford to Boone (North Carolina) | 3,881.73 mi (6,247.05 km) |
| Castleford to Borger (Texas) | 4,649.31 mi (7,482.34 km) |
| Castleford to Bossier City (Louisiana) | 4,531.84 mi (7,293.30 km) |
| Castleford to Boston (Massachusetts) | 3,180.22 mi (5,118.07 km) |
| Castleford to Bostonia (California) | 5,331.91 mi (8,580.88 km) |
| Castleford to Bothell (Washington) | 4,619.62 mi (7,434.56 km) |
| Castleford to Bothell East (Washington) | 4,617.21 mi (7,430.68 km) |
| Castleford to Bothell West (Washington) | 4,618.69 mi (7,433.06 km) |
| Castleford to Boulder (Colorado) | 4,547.84 mi (7,319.04 km) |
| Castleford to Boulder City (Nevada) | 5,094.24 mi (8,198.38 km) |
| Castleford to Bound Brook (New Jersey) | 3,394.77 mi (5,463.35 km) |
