| South Plainfield to Petaluma (California) | 2,546.47 mi (4,098.14 km) |
| South Plainfield to Petersburg (Virginia) | 282.53 mi (454.69 km) |
| South Plainfield to Pflugerville (Texas) | 1,473.30 mi (2,371.05 km) |
| South Plainfield to Pharr (Texas) | 1,685.70 mi (2,712.87 km) |
| South Plainfield to Phelan (California) | 2,376.42 mi (3,824.48 km) |
| South Plainfield to Phenix City (Alabama) | 812.22 mi (1,307.15 km) |
| South Plainfield to Philadelphia (Pennsylvania) | 54.50 mi (87.70 km) |
| South Plainfield to Phillipsburg (New Jersey) | 40.98 mi (65.96 km) |
| South Plainfield to Phoenix (Arizona) | 2,115.43 mi (3,404.46 km) |
| South Plainfield to Phoenixville (Pennsylvania) | 65.60 mi (105.58 km) |
| South Plainfield to Picayune (Mississippi) | 1,100.35 mi (1,770.84 km) |
| South Plainfield to Pickerington (Ohio) | 442.96 mi (712.87 km) |
| South Plainfield to Pico Rivera (California) | 2,418.38 mi (3,892.01 km) |
| South Plainfield to Piedmont (California) | 2,535.77 mi (4,080.93 km) |
| South Plainfield to Pierre (South Dakota) | 1,340.11 mi (2,156.70 km) |
