| Hard to Firestone (Colorado) | 5,176.91 mi (8,331.43 km) |
| Hard to Fish Hawk (Florida) | 4,910.08 mi (7,902.02 km) |
| Hard to Fishers (Indiana) | 4,492.11 mi (7,229.35 km) |
| Hard to Fitchburg (Massachusetts) | 3,806.01 mi (6,125.19 km) |
| Hard to Fitchburg (Wisconsin) | 4,483.75 mi (7,215.91 km) |
| Hard to Five Corners (Washington) | 5,380.82 mi (8,659.59 km) |
| Hard to Five Forks (South Carolina) | 4,579.74 mi (7,370.37 km) |
| Hard to Flagstaff (Arizona) | 5,671.15 mi (9,126.83 km) |
| Hard to Flat Rock (Michigan) | 4,289.07 mi (6,902.60 km) |
| Hard to Fleming Island (Florida) | 4,780.15 mi (7,692.91 km) |
| Hard to Flint (Michigan) | 4,264.29 mi (6,862.72 km) |
| Hard to Floral Park (New York) | 3,960.93 mi (6,374.50 km) |
| Hard to Florence (Alabama) | 4,802.82 mi (7,729.39 km) |
| Hard to Florence (Arizona) | 5,784.07 mi (9,308.56 km) |
| Hard to Florence (Kentucky) | 4,484.66 mi (7,217.37 km) |
