| Portimao to Fortuna Foothills (Arizona) | 5,652.70 mi (9,097.15 km) |
| Portimao to Foster City (California) | 5,767.39 mi (9,281.72 km) |
| Portimao to Fostoria (Ohio) | 3,894.14 mi (6,267.01 km) |
| Portimao to Fountain (Colorado) | 4,967.40 mi (7,994.26 km) |
| Portimao to Fountain Hills (Arizona) | 5,491.74 mi (8,838.09 km) |
| Portimao to Fountain Inn (South Carolina) | 4,016.15 mi (6,463.37 km) |
| Portimao to Fountain Valley (California) | 5,763.53 mi (9,275.51 km) |
| Portimao to Fountainebleau (Florida) | 4,206.45 mi (6,769.63 km) |
| Portimao to Four Corners (Oregon) | 5,449.95 mi (8,770.84 km) |
| Portimao to Four Corners (Texas) | 4,871.79 mi (7,840.40 km) |
| Portimao to Four Square Mile (Colorado) | 4,938.82 mi (7,948.27 km) |
| Portimao to Fox Crossing (Wisconsin) | 4,049.47 mi (6,517.00 km) |
| Portimao to Fox Lake (Illinois) | 4,085.72 mi (6,575.33 km) |
| Portimao to Framingham (Massachusetts) | 3,285.32 mi (5,287.21 km) |
| Portimao to Franconia (Virginia) | 3,648.02 mi (5,870.92 km) |
