| Castleford to Ukiah (California) | 5,149.78 mi (8,287.77 km) |
| Castleford to Union (Missouri) | 4,126.91 mi (6,641.62 km) |
| Castleford to Union City (California) | 5,206.77 mi (8,379.49 km) |
| Castleford to Union City (Georgia) | 4,125.80 mi (6,639.83 km) |
| Castleford to Union City (New Jersey) | 3,365.74 mi (5,416.63 km) |
| Castleford to Union City (Tennessee) | 4,155.49 mi (6,687.62 km) |
| Castleford to Union Hill-Novelty Hill (Washington) | 4,620.55 mi (7,436.05 km) |
| Castleford to Union Park (Florida) | 4,250.96 mi (6,841.26 km) |
| Castleford to Uniondale (New York) | 3,350.78 mi (5,392.55 km) |
| Castleford to Universal City (Texas) | 4,864.92 mi (7,829.34 km) |
| Castleford to University (Florida) | 4,324.44 mi (6,959.52 km) |
| Castleford to University City (Missouri) | 4,091.03 mi (6,583.88 km) |
| Castleford to University Heights (Ohio) | 3,622.78 mi (5,830.31 km) |
| Castleford to University of California-Santa Barbara (California) | 5,329.59 mi (8,577.15 km) |
| Castleford to University Park (Texas) | 4,631.73 mi (7,454.06 km) |
