| Hard to Fortuna Foothills (Arizona) | 5,905.37 mi (9,503.77 km) |
| Hard to Foster City (California) | 5,856.98 mi (9,425.89 km) |
| Hard to Fostoria (Ohio) | 4,336.67 mi (6,979.19 km) |
| Hard to Fountain (Colorado) | 5,246.20 mi (8,442.94 km) |
| Hard to Fountain Hills (Arizona) | 5,763.94 mi (9,276.16 km) |
| Hard to Fountain Inn (South Carolina) | 4,583.66 mi (7,376.69 km) |
| Hard to Fountain Valley (California) | 5,957.61 mi (9,587.85 km) |
| Hard to Fountainebleau (Florida) | 4,928.38 mi (7,931.46 km) |
| Hard to Four Corners (Oregon) | 5,435.86 mi (8,748.17 km) |
| Hard to Four Corners (Texas) | 5,382.93 mi (8,662.99 km) |
| Hard to Four Square Mile (Colorado) | 5,200.21 mi (8,368.93 km) |
| Hard to Fox Crossing (Wisconsin) | 4,391.22 mi (7,066.99 km) |
| Hard to Fox Lake (Illinois) | 4,463.35 mi (7,183.08 km) |
| Hard to Framingham (Massachusetts) | 3,801.60 mi (6,118.08 km) |
| Hard to Franconia (Virginia) | 4,188.68 mi (6,741.04 km) |
