| South San Francisco to Pawtucket (Rhode Island) | 2,686.72 mi (4,323.86 km) |
| South San Francisco to Payson (Arizona) | 663.55 mi (1,067.88 km) |
| South San Francisco to Payson (Utah) | 597.42 mi (961.45 km) |
| South San Francisco to Peabody (Massachusetts) | 2,698.25 mi (4,342.42 km) |
| South San Francisco to Peachtree City (Georgia) | 2,134.06 mi (3,434.43 km) |
| South San Francisco to Peachtree Corners (Georgia) | 2,140.04 mi (3,444.06 km) |
| South San Francisco to Pearl (Mississippi) | 1,858.26 mi (2,990.59 km) |
| South San Francisco to Pearl City (Hawaii) | 2,393.31 mi (3,851.66 km) |
| South San Francisco to Pearl River (New York) | 2,563.95 mi (4,126.28 km) |
| South San Francisco to Pearland (Texas) | 1,649.53 mi (2,654.66 km) |
| South San Francisco to Pebble Creek (Florida) | 2,395.90 mi (3,855.83 km) |
| South San Francisco to Pecan Grove (Texas) | 1,625.47 mi (2,615.94 km) |
| South San Francisco to Pecos (Texas) | 1,156.78 mi (1,861.65 km) |
| South San Francisco to Peekskill (New York) | 2,565.18 mi (4,128.25 km) |
| South San Francisco to Pekin (Illinois) | 1,759.42 mi (2,831.52 km) |
