| Keystone to Pittsburg (Kansas) | 949.92 mi (1,528.74 km) |
| Keystone to Pittsburgh (Pennsylvania) | 863.40 mi (1,389.51 km) |
| Keystone to Pittsfield (Massachusetts) | 1,119.19 mi (1,801.17 km) |
| Keystone to Placentia (California) | 2,114.68 mi (3,403.25 km) |
| Keystone to Placerville (California) | 2,302.06 mi (3,704.81 km) |
| Keystone to Plainfield (Illinois) | 984.47 mi (1,584.35 km) |
| Keystone to Plainfield (Indiana) | 827.53 mi (1,331.78 km) |
| Keystone to Plainfield (New Jersey) | 979.63 mi (1,576.56 km) |
| Keystone to Plainview (New York) | 1,015.72 mi (1,634.64 km) |
| Keystone to Plainview (Texas) | 1,203.33 mi (1,936.58 km) |
| Keystone to Plano (Illinois) | 993.65 mi (1,599.13 km) |
| Keystone to Plano (Texas) | 906.56 mi (1,458.97 km) |
| Keystone to Plant City (Florida) | 30.35 mi (48.85 km) |
| Keystone to Plantation (Florida) | 199.66 mi (321.33 km) |
| Keystone to Platteville (Wisconsin) | 1,100.27 mi (1,770.71 km) |
