| Keystone to Lynn (Massachusetts) | 1,186.08 mi (1,908.80 km) |
| Keystone to Lynn Haven (Florida) | 233.79 mi (376.25 km) |
| Keystone to Lynnwood (Washington) | 2,514.70 mi (4,047.02 km) |
| Keystone to Lynwood (California) | 2,134.59 mi (3,435.29 km) |
| Keystone to Lyons (Illinois) | 989.83 mi (1,592.97 km) |
| Keystone to Mableton (Georgia) | 409.47 mi (658.98 km) |
| Keystone to Macedonia (Ohio) | 913.01 mi (1,469.35 km) |
| Keystone to Machesney Park (Illinois) | 1,047.46 mi (1,685.72 km) |
| Keystone to Mack (Ohio) | 770.54 mi (1,240.07 km) |
| Keystone to Macomb (Illinois) | 968.27 mi (1,558.29 km) |
| Keystone to Macon (Georgia) | 329.57 mi (530.39 km) |
| Keystone to Madera (California) | 2,250.64 mi (3,622.05 km) |
| Keystone to Madison (Alabama) | 516.52 mi (831.26 km) |
| Keystone to Madison (Indiana) | 751.64 mi (1,209.64 km) |
| Keystone to Madison (Mississippi) | 539.94 mi (868.95 km) |
