| Giffnock to Fortuna Foothills (Arizona) | 5,079.41 mi (8,174.51 km) |
| Giffnock to Foster City (California) | 5,032.16 mi (8,098.47 km) |
| Giffnock to Fostoria (Ohio) | 3,549.41 mi (5,712.23 km) |
| Giffnock to Fountain (Colorado) | 4,423.93 mi (7,119.62 km) |
| Giffnock to Fountain Hills (Arizona) | 4,939.40 mi (7,949.19 km) |
| Giffnock to Fountain Inn (South Carolina) | 3,828.63 mi (6,161.58 km) |
| Giffnock to Fountain Valley (California) | 5,130.08 mi (8,256.07 km) |
| Giffnock to Fountainebleau (Florida) | 4,229.07 mi (6,806.03 km) |
| Giffnock to Four Corners (Oregon) | 4,618.64 mi (7,432.98 km) |
| Giffnock to Four Corners (Texas) | 4,598.77 mi (7,401.01 km) |
| Giffnock to Four Square Mile (Colorado) | 4,376.72 mi (7,043.65 km) |
| Giffnock to Fox Crossing (Wisconsin) | 3,582.54 mi (5,765.55 km) |
| Giffnock to Fox Lake (Illinois) | 3,660.29 mi (5,890.67 km) |
| Giffnock to Framingham (Massachusetts) | 3,046.55 mi (4,902.96 km) |
| Giffnock to Franconia (Virginia) | 3,432.67 mi (5,524.35 km) |
