| Keystone to Fontana (California) | 2,092.41 mi (3,367.40 km) |
| Keystone to Foothill Farms (California) | 2,331.14 mi (3,751.61 km) |
| Keystone to Fords (New Jersey) | 977.72 mi (1,573.49 km) |
| Keystone to Forest (Virginia) | 666.85 mi (1,073.19 km) |
| Keystone to Forest Acres (South Carolina) | 418.94 mi (674.21 km) |
| Keystone to Forest City (Florida) | 79.23 mi (127.50 km) |
| Keystone to Forest Grove (Oregon) | 2,506.43 mi (4,033.71 km) |
| Keystone to Forest Hill (Texas) | 927.41 mi (1,492.51 km) |
| Keystone to Forest Hills (Michigan) | 1,037.03 mi (1,668.94 km) |
| Keystone to Forest Lake (Minnesota) | 1,312.26 mi (2,111.89 km) |
| Keystone to Forest Park (Georgia) | 393.36 mi (633.06 km) |
| Keystone to Forest Park (Illinois) | 993.46 mi (1,598.82 km) |
| Keystone to Forest Park (Ohio) | 778.58 mi (1,253.00 km) |
| Keystone to Forestville (Maryland) | 810.48 mi (1,304.35 km) |
| Keystone to Forestville (Ohio) | 762.42 mi (1,227.00 km) |
