| Crystal Lake to Fortuna Foothills (Arizona) | 1,566.80 mi (2,521.52 km) |
| Crystal Lake to Foster City (California) | 1,815.12 mi (2,921.15 km) |
| Crystal Lake to Fostoria (Ohio) | 264.54 mi (425.73 km) |
| Crystal Lake to Fountain (Colorado) | 892.01 mi (1,435.55 km) |
| Crystal Lake to Fountain Hills (Arizona) | 1,401.88 mi (2,256.11 km) |
| Crystal Lake to Fountain Inn (South Carolina) | 616.96 mi (992.90 km) |
| Crystal Lake to Fountain Valley (California) | 1,706.77 mi (2,746.79 km) |
| Crystal Lake to Fountainebleau (Florida) | 1,224.51 mi (1,970.66 km) |
| Crystal Lake to Four Corners (Oregon) | 1,730.37 mi (2,784.76 km) |
| Crystal Lake to Four Corners (Texas) | 958.88 mi (1,543.17 km) |
| Crystal Lake to Four Square Mile (Colorado) | 880.04 mi (1,416.29 km) |
| Crystal Lake to Fox Crossing (Wisconsin) | 137.64 mi (221.52 km) |
| Crystal Lake to Fox Lake (Illinois) | 15.25 mi (24.55 km) |
| Crystal Lake to Framingham (Massachusetts) | 862.55 mi (1,388.15 km) |
| Crystal Lake to Franconia (Virginia) | 633.49 mi (1,019.51 km) |
