| South Plainfield to Pottstown (Pennsylvania) | 68.43 mi (110.13 km) |
| South Plainfield to Pottsville (Pennsylvania) | 94.35 mi (151.84 km) |
| South Plainfield to Poughkeepsie (New York) | 81.56 mi (131.25 km) |
| South Plainfield to Poulsbo (Washington) | 2,400.71 mi (3,863.56 km) |
| South Plainfield to Poway (California) | 2,391.08 mi (3,848.07 km) |
| South Plainfield to Powder Springs (Georgia) | 729.91 mi (1,174.68 km) |
| South Plainfield to Powell (Ohio) | 456.94 mi (735.37 km) |
| South Plainfield to Powell (Tennessee) | 607.81 mi (978.18 km) |
| South Plainfield to Prairie Ridge (Washington) | 2,382.26 mi (3,833.87 km) |
| South Plainfield to Prairie Village (Kansas) | 1,076.89 mi (1,733.08 km) |
| South Plainfield to Prairieville (Louisiana) | 1,166.88 mi (1,877.90 km) |
| South Plainfield to Prattville (Alabama) | 871.18 mi (1,402.03 km) |
| South Plainfield to Preakness (New Jersey) | 27.03 mi (43.49 km) |
| South Plainfield to Prescott (Arizona) | 2,106.32 mi (3,389.79 km) |
| South Plainfield to Prescott Valley (Arizona) | 2,099.21 mi (3,378.36 km) |
