| South San Francisco to Pottstown (Pennsylvania) | 2,490.50 mi (4,008.08 km) |
| South San Francisco to Pottsville (Pennsylvania) | 2,455.74 mi (3,952.13 km) |
| South San Francisco to Poughkeepsie (New York) | 2,560.13 mi (4,120.13 km) |
| South San Francisco to Poulsbo (Washington) | 697.10 mi (1,121.87 km) |
| South San Francisco to Poway (California) | 443.25 mi (713.35 km) |
| South San Francisco to Powder Springs (Georgia) | 2,117.56 mi (3,407.89 km) |
| South San Francisco to Powell (Ohio) | 2,104.71 mi (3,387.20 km) |
| South San Francisco to Powell (Tennessee) | 2,110.79 mi (3,397.00 km) |
| South San Francisco to Prairie Ridge (Washington) | 655.85 mi (1,055.49 km) |
| South San Francisco to Prairie Village (Kansas) | 1,503.04 mi (2,418.92 km) |
| South San Francisco to Prairieville (Louisiana) | 1,862.72 mi (2,997.75 km) |
| South San Francisco to Prattville (Alabama) | 2,052.56 mi (3,303.28 km) |
| South San Francisco to Preakness (New Jersey) | 2,554.35 mi (4,110.84 km) |
| South San Francisco to Prescott (Arizona) | 595.22 mi (957.91 km) |
| South San Francisco to Prescott Valley (Arizona) | 601.57 mi (968.13 km) |
