| South Plainfield to Owosso (Michigan) | 529.58 mi (852.27 km) |
| South Plainfield to Oxford (Alabama) | 793.20 mi (1,276.54 km) |
| South Plainfield to Oxford (Mississippi) | 931.79 mi (1,499.57 km) |
| South Plainfield to Oxford (Ohio) | 551.03 mi (886.80 km) |
| South Plainfield to Oxnard (California) | 2,469.84 mi (3,974.82 km) |
| South Plainfield to Oxon Hill (Maryland) | 183.64 mi (295.54 km) |
| South Plainfield to Ozark (Alabama) | 888.19 mi (1,429.41 km) |
| South Plainfield to Ozark (Missouri) | 1,039.17 mi (1,672.39 km) |
| South Plainfield to Pace (Florida) | 991.18 mi (1,595.14 km) |
| South Plainfield to Pacific Grove (California) | 2,549.04 mi (4,102.28 km) |
| South Plainfield to Pacifica (California) | 2,553.48 mi (4,109.43 km) |
| South Plainfield to Paducah (Kentucky) | 802.20 mi (1,291.02 km) |
| South Plainfield to Pahrump (Nevada) | 2,250.57 mi (3,621.94 km) |
| South Plainfield to Painesville (Ohio) | 364.43 mi (586.49 km) |
| South Plainfield to Palatine (Illinois) | 714.08 mi (1,149.21 km) |
