| Portlethen to Fortuna Foothills (Arizona) | 5,097.14 mi (8,203.06 km) |
| Portlethen to Foster City (California) | 5,032.39 mi (8,098.85 km) |
| Portlethen to Fostoria (Ohio) | 3,599.12 mi (5,792.23 km) |
| Portlethen to Fountain (Colorado) | 4,448.40 mi (7,159.02 km) |
| Portlethen to Fountain Hills (Arizona) | 4,960.05 mi (7,982.44 km) |
| Portlethen to Fountain Inn (South Carolina) | 3,889.97 mi (6,260.30 km) |
| Portlethen to Fountain Valley (California) | 5,141.17 mi (8,273.91 km) |
| Portlethen to Fountainebleau (Florida) | 4,304.25 mi (6,927.01 km) |
| Portlethen to Four Corners (Oregon) | 4,609.42 mi (7,418.15 km) |
| Portlethen to Four Corners (Texas) | 4,648.07 mi (7,480.34 km) |
| Portlethen to Four Square Mile (Colorado) | 4,399.54 mi (7,080.38 km) |
| Portlethen to Fox Crossing (Wisconsin) | 3,620.38 mi (5,826.44 km) |
| Portlethen to Fox Lake (Illinois) | 3,701.60 mi (5,957.15 km) |
| Portlethen to Framingham (Massachusetts) | 3,109.73 mi (5,004.63 km) |
| Portlethen to Franconia (Virginia) | 3,494.56 mi (5,623.95 km) |
