| Castleford to Oak Harbor (Washington) | 4,600.42 mi (7,403.67 km) |
| Castleford to Oak Hills (Oregon) | 4,765.33 mi (7,669.05 km) |
| Castleford to Oak Lawn (Illinois) | 3,845.52 mi (6,188.77 km) |
| Castleford to Oak Park (California) | 5,309.64 mi (8,545.03 km) |
| Castleford to Oak Park (Illinois) | 3,838.53 mi (6,177.51 km) |
| Castleford to Oak Park (Michigan) | 3,639.71 mi (5,857.55 km) |
| Castleford to Oak Ridge (Florida) | 4,263.07 mi (6,860.75 km) |
| Castleford to Oak Ridge (New Jersey) | 3,371.94 mi (5,426.62 km) |
| Castleford to Oak Ridge (Tennessee) | 3,996.34 mi (6,431.49 km) |
| Castleford to Oakdale (California) | 5,163.53 mi (8,309.90 km) |
| Castleford to Oakdale (Minnesota) | 3,874.32 mi (6,235.12 km) |
| Castleford to Oakland (California) | 5,201.47 mi (8,370.96 km) |
| Castleford to Oakland (New Jersey) | 3,361.93 mi (5,410.50 km) |
| Castleford to Oakland Park (Florida) | 4,331.47 mi (6,970.83 km) |
| Castleford to Oakleaf Plantation (Florida) | 4,192.33 mi (6,746.90 km) |
