| Castleford to Fortuna Foothills (Arizona) | 5,258.80 mi (8,463.22 km) |
| Castleford to Foster City (California) | 5,216.71 mi (8,395.49 km) |
| Castleford to Fostoria (Ohio) | 3,709.80 mi (5,970.34 km) |
| Castleford to Fountain (Colorado) | 4,600.52 mi (7,403.81 km) |
| Castleford to Fountain Hills (Arizona) | 5,117.59 mi (8,235.96 km) |
| Castleford to Fountain Inn (South Carolina) | 3,977.58 mi (6,401.29 km) |
| Castleford to Fountain Valley (California) | 5,311.89 mi (8,548.66 km) |
| Castleford to Fountainebleau (Florida) | 4,360.55 mi (7,017.62 km) |
| Castleford to Four Corners (Oregon) | 4,804.37 mi (7,731.89 km) |
| Castleford to Four Corners (Texas) | 4,758.65 mi (7,658.31 km) |
| Castleford to Four Square Mile (Colorado) | 4,554.12 mi (7,329.15 km) |
| Castleford to Fox Crossing (Wisconsin) | 3,751.89 mi (6,038.08 km) |
| Castleford to Fox Lake (Illinois) | 3,827.17 mi (6,159.24 km) |
| Castleford to Framingham (Massachusetts) | 3,194.52 mi (5,141.09 km) |
| Castleford to Franconia (Virginia) | 3,581.50 mi (5,763.87 km) |
