| Keystone to Finneytown (Ohio) | 773.69 mi (1,245.14 km) |
| Keystone to Firestone (Colorado) | 1,517.49 mi (2,442.17 km) |
| Keystone to Fish Hawk (Florida) | 30.36 mi (48.87 km) |
| Keystone to Fishers (Indiana) | 839.43 mi (1,350.94 km) |
| Keystone to Fitchburg (Massachusetts) | 1,167.10 mi (1,878.27 km) |
| Keystone to Fitchburg (Wisconsin) | 1,094.74 mi (1,761.81 km) |
| Keystone to Five Corners (Washington) | 2,484.30 mi (3,998.09 km) |
| Keystone to Five Forks (South Carolina) | 461.77 mi (743.14 km) |
| Keystone to Flagstaff (Arizona) | 1,767.78 mi (2,844.97 km) |
| Keystone to Flat Rock (Michigan) | 965.83 mi (1,554.35 km) |
| Keystone to Fleming Island (Florida) | 146.12 mi (235.16 km) |
| Keystone to Flint (Michigan) | 1,030.77 mi (1,658.86 km) |
| Keystone to Floral Park (New York) | 1,005.64 mi (1,618.42 km) |
| Keystone to Florence (Alabama) | 550.55 mi (886.02 km) |
| Keystone to Florence (Arizona) | 1,741.86 mi (2,803.25 km) |
