| Elk River to Fortuna Foothills (Arizona) | 1,413.09 mi (2,274.15 km) |
| Elk River to Foster City (California) | 1,570.44 mi (2,527.38 km) |
| Elk River to Fostoria (Ohio) | 586.12 mi (943.27 km) |
| Elk River to Fountain (Colorado) | 731.17 mi (1,176.70 km) |
| Elk River to Fountain Hills (Arizona) | 1,257.99 mi (2,024.55 km) |
| Elk River to Fountain Inn (South Carolina) | 947.49 mi (1,524.83 km) |
| Elk River to Fountain Valley (California) | 1,518.45 mi (2,443.70 km) |
| Elk River to Fountainebleau (Florida) | 1,537.57 mi (2,474.48 km) |
| Elk River to Four Corners (Oregon) | 1,425.68 mi (2,294.41 km) |
| Elk River to Four Corners (Texas) | 1,088.02 mi (1,751.00 km) |
| Elk River to Four Square Mile (Colorado) | 695.34 mi (1,119.05 km) |
| Elk River to Fox Crossing (Wisconsin) | 261.11 mi (420.22 km) |
| Elk River to Fox Lake (Illinois) | 334.87 mi (538.92 km) |
| Elk River to Framingham (Massachusetts) | 1,119.11 mi (1,801.03 km) |
| Elk River to Franconia (Virginia) | 953.67 mi (1,534.79 km) |
