| National City to Petersburg (Virginia) | 2,254.36 mi (3,628.04 km) |
| National City to Pflugerville (Texas) | 1,156.33 mi (1,860.94 km) |
| National City to Pharr (Texas) | 1,221.03 mi (1,965.06 km) |
| National City to Phelan (California) | 125.03 mi (201.22 km) |
| National City to Phenix City (Alabama) | 1,860.53 mi (2,994.23 km) |
| National City to Philadelphia (Pennsylvania) | 2,367.46 mi (3,810.06 km) |
| National City to Phillipsburg (New Jersey) | 2,364.43 mi (3,805.18 km) |
| National City to Phoenix (Arizona) | 296.53 mi (477.22 km) |
| National City to Phoenixville (Pennsylvania) | 2,346.91 mi (3,776.98 km) |
| National City to Picayune (Mississippi) | 1,616.23 mi (2,601.08 km) |
| National City to Pickerington (Ohio) | 1,963.15 mi (3,159.38 km) |
| National City to Pico Rivera (California) | 107.92 mi (173.68 km) |
| National City to Piedmont (California) | 458.98 mi (738.65 km) |
| National City to Pierre (South Dakota) | 1,211.00 mi (1,948.92 km) |
| National City to Pike Creek Valley (Delaware) | 2,337.89 mi (3,762.47 km) |
