| Keystone to Ashtabula (Ohio) | 955.37 mi (1,537.53 km) |
| Keystone to Ashwaubenon (Wisconsin) | 1,169.46 mi (1,882.06 km) |
| Keystone to Aspen Hill (Maryland) | 820.76 mi (1,320.89 km) |
| Keystone to Astoria (Oregon) | 2,550.34 mi (4,104.37 km) |
| Keystone to Atascadero (California) | 2,278.50 mi (3,666.90 km) |
| Keystone to Atascocita (Texas) | 770.95 mi (1,240.72 km) |
| Keystone to Atchison (Kansas) | 1,066.16 mi (1,715.82 km) |
| Keystone to Athens (Alabama) | 526.20 mi (846.84 km) |
| Keystone to Athens (Georgia) | 404.66 mi (651.24 km) |
| Keystone to Athens (Ohio) | 774.09 mi (1,245.77 km) |
| Keystone to Athens (Tennessee) | 519.65 mi (836.30 km) |
| Keystone to Athens (Texas) | 838.29 mi (1,349.10 km) |
| Keystone to Atlanta (Georgia) | 403.78 mi (649.83 km) |
| Keystone to Atlantic Beach (Florida) | 168.41 mi (271.02 km) |
| Keystone to Atlantic City (New Jersey) | 906.26 mi (1,458.49 km) |
