| Keystone to Anoka (Minnesota) | 1,320.04 mi (2,124.40 km) |
| Keystone to Ansonia (Connecticut) | 1,059.67 mi (1,705.38 km) |
| Keystone to Antelope (California) | 2,332.09 mi (3,753.13 km) |
| Keystone to Anthem (Arizona) | 1,785.85 mi (2,874.04 km) |
| Keystone to Antioch (California) | 2,350.47 mi (3,782.71 km) |
| Keystone to Antioch (Illinois) | 1,037.32 mi (1,669.40 km) |
| Keystone to Apache Junction (Arizona) | 1,750.02 mi (2,816.38 km) |
| Keystone to Apex (North Carolina) | 568.13 mi (914.31 km) |
| Keystone to Apollo Beach (Florida) | 28.28 mi (45.51 km) |
| Keystone to Apopka (Florida) | 75.94 mi (122.22 km) |
| Keystone to Apple Valley (California) | 2,079.36 mi (3,346.41 km) |
| Keystone to Apple Valley (Minnesota) | 1,287.71 mi (2,072.36 km) |
| Keystone to Appleton (Wisconsin) | 1,160.60 mi (1,867.80 km) |
| Keystone to Arbutus (Maryland) | 838.99 mi (1,350.22 km) |
| Keystone to Arcadia (California) | 2,125.49 mi (3,420.65 km) |
