| Keystone to Petersburg (Virginia) | 695.93 mi (1,120.00 km) |
| Keystone to Pflugerville (Texas) | 917.38 mi (1,476.38 km) |
| Keystone to Pharr (Texas) | 967.36 mi (1,556.81 km) |
| Keystone to Phelan (California) | 2,096.94 mi (3,374.69 km) |
| Keystone to Phenix City (Alabama) | 332.13 mi (534.51 km) |
| Keystone to Philadelphia (Pennsylvania) | 924.29 mi (1,487.51 km) |
| Keystone to Phillipsburg (New Jersey) | 964.29 mi (1,551.88 km) |
| Keystone to Phoenix (Arizona) | 1,782.74 mi (2,869.05 km) |
| Keystone to Phoenixville (Pennsylvania) | 922.18 mi (1,484.11 km) |
| Keystone to Picayune (Mississippi) | 457.06 mi (735.56 km) |
| Keystone to Pickerington (Ohio) | 812.44 mi (1,307.50 km) |
| Keystone to Pico Rivera (California) | 2,128.21 mi (3,425.03 km) |
| Keystone to Piedmont (California) | 2,373.16 mi (3,819.23 km) |
| Keystone to Pierre (South Dakota) | 1,488.15 mi (2,394.95 km) |
| Keystone to Pike Creek Valley (Delaware) | 892.95 mi (1,437.07 km) |
