| Keystone to Excelsior Springs (Missouri) | 1,021.36 mi (1,643.72 km) |
| Keystone to Exeter (California) | 2,195.50 mi (3,533.32 km) |
| Keystone to Fair Lawn (New Jersey) | 1,006.64 mi (1,620.03 km) |
| Keystone to Fair Oaks (California) | 2,325.61 mi (3,742.71 km) |
| Keystone to Fair Oaks (Virginia) | 800.38 mi (1,288.09 km) |
| Keystone to Fairbanks (Alaska) | 3,745.12 mi (6,027.19 km) |
| Keystone to Fairborn (Ohio) | 810.31 mi (1,304.06 km) |
| Keystone to Fairburn (Georgia) | 392.55 mi (631.74 km) |
| Keystone to Fairfax (Virginia) | 800.89 mi (1,288.90 km) |
| Keystone to Fairfax Station (Virginia) | 796.38 mi (1,281.65 km) |
| Keystone to Fairfield (California) | 2,365.05 mi (3,806.19 km) |
| Keystone to Fairfield (Ohio) | 781.71 mi (1,258.04 km) |
| Keystone to Fairhope (Alabama) | 358.37 mi (576.75 km) |
| Keystone to Fairland (Maryland) | 822.88 mi (1,324.30 km) |
| Keystone to Fairmont (Minnesota) | 1,257.88 mi (2,024.35 km) |
