| Mentor to Fortuna (California) | 2,205.58 mi (3,549.53 km) |
| Mentor to Fortuna Foothills (Arizona) | 1,910.23 mi (3,074.22 km) |
| Mentor to Foster City (California) | 2,176.28 mi (3,502.39 km) |
| Mentor to Fostoria (Ohio) | 113.59 mi (182.81 km) |
| Mentor to Fountain (Colorado) | 1,245.63 mi (2,004.65 km) |
| Mentor to Fountain Hills (Arizona) | 1,743.82 mi (2,806.41 km) |
| Mentor to Fountain Inn (South Carolina) | 485.26 mi (780.95 km) |
| Mentor to Fountain Valley (California) | 2,059.25 mi (3,314.04 km) |
| Mentor to Fountainebleau (Florida) | 1,101.21 mi (1,772.22 km) |
| Mentor to Four Corners (Oregon) | 2,082.19 mi (3,350.96 km) |
| Mentor to Four Corners (Texas) | 1,152.66 mi (1,855.02 km) |
| Mentor to Four Square Mile (Colorado) | 1,237.84 mi (1,992.11 km) |
| Mentor to Fox Crossing (Wisconsin) | 401.06 mi (645.45 km) |
| Mentor to Fox Lake (Illinois) | 354.86 mi (571.10 km) |
| Mentor to Framingham (Massachusetts) | 509.81 mi (820.46 km) |
