| Castalla to Fortuna Foothills (Arizona) | 5,933.44 mi (9,548.95 km) |
| Castalla to Foster City (California) | 5,998.05 mi (9,652.93 km) |
| Castalla to Fostoria (Ohio) | 4,214.14 mi (6,782.00 km) |
| Castalla to Fountain (Colorado) | 5,249.78 mi (8,448.71 km) |
| Castalla to Fountain Hills (Arizona) | 5,776.91 mi (9,297.04 km) |
| Castalla to Fountain Inn (South Carolina) | 4,371.59 mi (7,035.40 km) |
| Castalla to Fountain Valley (California) | 6,027.37 mi (9,700.11 km) |
| Castalla to Fountainebleau (Florida) | 4,600.60 mi (7,403.94 km) |
| Castalla to Four Corners (Oregon) | 5,642.83 mi (9,081.26 km) |
| Castalla to Four Corners (Texas) | 5,219.11 mi (8,399.35 km) |
| Castalla to Four Square Mile (Colorado) | 5,215.65 mi (8,393.78 km) |
| Castalla to Fox Crossing (Wisconsin) | 4,341.54 mi (6,987.03 km) |
| Castalla to Fox Lake (Illinois) | 4,388.86 mi (7,063.19 km) |
| Castalla to Framingham (Massachusetts) | 3,619.61 mi (5,825.20 km) |
| Castalla to Franconia (Virginia) | 3,992.98 mi (6,426.09 km) |
