| Keystone to Parma Heights (Ohio) | 917.07 mi (1,475.88 km) |
| Keystone to Parole (Maryland) | 826.38 mi (1,329.93 km) |
| Keystone to Parsippany (New Jersey) | 994.50 mi (1,600.50 km) |
| Keystone to Pasadena (California) | 2,131.35 mi (3,430.08 km) |
| Keystone to Pasadena (Maryland) | 836.78 mi (1,346.68 km) |
| Keystone to Pasadena (Texas) | 766.06 mi (1,232.86 km) |
| Keystone to Pasadena Hills (Florida) | 24.56 mi (39.52 km) |
| Keystone to Pascagoula (Mississippi) | 390.49 mi (628.44 km) |
| Keystone to Pasco (Washington) | 2,338.05 mi (3,762.73 km) |
| Keystone to Passaic (New Jersey) | 1,001.72 mi (1,612.11 km) |
| Keystone to Pataskala (Ohio) | 820.84 mi (1,321.02 km) |
| Keystone to Patchogue (New York) | 1,027.87 mi (1,654.20 km) |
| Keystone to Paterson (New Jersey) | 1,004.18 mi (1,616.07 km) |
| Keystone to Patterson (California) | 2,312.54 mi (3,721.67 km) |
| Keystone to Pawtucket (Rhode Island) | 1,140.21 mi (1,834.99 km) |
