| Keystone to Oxford (Alabama) | 424.41 mi (683.03 km) |
| Keystone to Oxford (Mississippi) | 593.91 mi (955.80 km) |
| Keystone to Oxford (Ohio) | 795.44 mi (1,280.14 km) |
| Keystone to Oxnard (California) | 2,190.98 mi (3,526.04 km) |
| Keystone to Oxon Hill (Maryland) | 804.17 mi (1,294.18 km) |
| Keystone to Ozark (Alabama) | 293.22 mi (471.89 km) |
| Keystone to Ozark (Missouri) | 870.94 mi (1,401.64 km) |
| Keystone to Pace (Florida) | 324.21 mi (521.77 km) |
| Keystone to Pacific Grove (California) | 2,351.09 mi (3,783.71 km) |
| Keystone to Pacifica (California) | 2,385.60 mi (3,839.26 km) |
| Keystone to Paducah (Kentucky) | 710.43 mi (1,143.33 km) |
| Keystone to Pahrump (Nevada) | 2,020.40 mi (3,251.53 km) |
| Keystone to Painesville (Ohio) | 942.23 mi (1,516.37 km) |
| Keystone to Palatine (Illinois) | 1,013.58 mi (1,631.20 km) |
| Keystone to Palatka (Florida) | 119.01 mi (191.52 km) |
