| South Plainfield to Orangeburg (South Carolina) | 604.64 mi (973.07 km) |
| South Plainfield to Orangevale (California) | 2,464.56 mi (3,966.32 km) |
| South Plainfield to Orchards (Washington) | 2,414.70 mi (3,886.09 km) |
| South Plainfield to Orcutt (California) | 2,516.25 mi (4,049.51 km) |
| South Plainfield to Oregon (Ohio) | 475.02 mi (764.47 km) |
| South Plainfield to Oregon (Wisconsin) | 787.64 mi (1,267.58 km) |
| South Plainfield to Oregon City (Oregon) | 2,421.59 mi (3,897.18 km) |
| South Plainfield to Orem (Utah) | 1,945.93 mi (3,131.68 km) |
| South Plainfield to Orinda (California) | 2,531.80 mi (4,074.53 km) |
| South Plainfield to Orland Park (Illinois) | 703.12 mi (1,131.55 km) |
| South Plainfield to Orlando (Florida) | 923.28 mi (1,485.87 km) |
| South Plainfield to Ormond Beach (Florida) | 865.59 mi (1,393.04 km) |
| South Plainfield to Oro Valley (Arizona) | 2,090.98 mi (3,365.11 km) |
| South Plainfield to Oroville (California) | 2,464.92 mi (3,966.91 km) |
| South Plainfield to Oshkosh (Wisconsin) | 760.05 mi (1,223.18 km) |
