| Castleford to Black Forest (Colorado) | 4,580.25 mi (7,371.20 km) |
| Castleford to Blackfoot (Idaho) | 4,601.35 mi (7,405.16 km) |
| Castleford to Blackhawk (California) | 5,191.08 mi (8,354.24 km) |
| Castleford to Blacksburg (Virginia) | 3,783.43 mi (6,088.85 km) |
| Castleford to Blackwells Mills (New Jersey) | 3,401.23 mi (5,473.76 km) |
| Castleford to Blaine (Minnesota) | 3,873.98 mi (6,234.56 km) |
| Castleford to Bloomingdale (Florida) | 4,327.90 mi (6,965.09 km) |
| Castleford to Bloomingdale (Illinois) | 3,846.54 mi (6,190.41 km) |
| Castleford to Bloomington (California) | 5,274.44 mi (8,488.39 km) |
| Castleford to Bloomington (Illinois) | 3,950.79 mi (6,358.18 km) |
| Castleford to Bloomington (Indiana) | 3,923.78 mi (6,314.71 km) |
| Castleford to Bloomington (Minnesota) | 3,894.17 mi (6,267.05 km) |
| Castleford to Bloomsburg (Pennsylvania) | 3,449.89 mi (5,552.06 km) |
| Castleford to Blue Ash (Ohio) | 3,838.37 mi (6,177.26 km) |
| Castleford to Blue Island (Illinois) | 3,845.58 mi (6,188.87 km) |
