| Guaynabo to Fortuna (California) | 3,735.99 mi (6,012.50 km) |
| Guaynabo to Fortuna Foothills (Arizona) | 3,138.66 mi (5,051.19 km) |
| Guaynabo to Foster City (California) | 3,614.96 mi (5,817.71 km) |
| Guaynabo to Fostoria (Ohio) | 1,876.85 mi (3,020.50 km) |
| Guaynabo to Fountain (Colorado) | 2,700.15 mi (4,345.47 km) |
| Guaynabo to Fountain Hills (Arizona) | 2,994.61 mi (4,819.36 km) |
| Guaynabo to Fountain Inn (South Carolina) | 1,498.85 mi (2,412.16 km) |
| Guaynabo to Fountain Valley (California) | 3,350.12 mi (5,391.50 km) |
| Guaynabo to Fountainebleau (Florida) | 1,043.42 mi (1,679.23 km) |
| Guaynabo to Four Corners (Oregon) | 3,720.09 mi (5,986.91 km) |
| Guaynabo to Four Corners (Texas) | 2,013.38 mi (3,240.22 km) |
| Guaynabo to Four Square Mile (Colorado) | 2,734.62 mi (4,400.94 km) |
| Guaynabo to Fox Crossing (Wisconsin) | 2,204.82 mi (3,548.32 km) |
| Guaynabo to Fox Lake (Illinois) | 2,105.06 mi (3,387.76 km) |
| Guaynabo to Framingham (Massachusetts) | 1,682.38 mi (2,707.53 km) |
