| Castleford to Portage (Michigan) | 3,742.16 mi (6,022.43 km) |
| Castleford to Portage (Wisconsin) | 3,819.68 mi (6,147.18 km) |
| Castleford to Portales (New Mexico) | 4,798.60 mi (7,722.60 km) |
| Castleford to Porterville (California) | 5,208.54 mi (8,382.34 km) |
| Castleford to Portland (Maine) | 3,089.27 mi (4,971.70 km) |
| Castleford to Portland (Oregon) | 4,760.51 mi (7,661.31 km) |
| Castleford to Portland (Tennessee) | 4,051.01 mi (6,519.47 km) |
| Castleford to Portland (Texas) | 4,917.60 mi (7,914.10 km) |
| Castleford to Portsmouth (New Hampshire) | 3,136.03 mi (5,046.95 km) |
| Castleford to Portsmouth (Ohio) | 3,807.24 mi (6,127.17 km) |
| Castleford to Portsmouth (Virginia) | 3,641.25 mi (5,860.02 km) |
| Castleford to Post Falls (Idaho) | 4,482.83 mi (7,214.42 km) |
| Castleford to Potomac (Maryland) | 3,571.30 mi (5,747.45 km) |
| Castleford to Potomac Park (California) | 5,247.17 mi (8,444.50 km) |
| Castleford to Pottstown (Pennsylvania) | 3,452.77 mi (5,556.70 km) |
