| South Plainfield to Indianapolis (Indiana) | 621.26 mi (999.83 km) |
| South Plainfield to Indianola (Iowa) | 998.51 mi (1,606.94 km) |
| South Plainfield to Indio (California) | 2,328.36 mi (3,747.13 km) |
| South Plainfield to Inglewood (California) | 2,432.71 mi (3,915.06 km) |
| South Plainfield to Inkster (Michigan) | 475.80 mi (765.72 km) |
| South Plainfield to Inver Grove Heights (Minnesota) | 988.63 mi (1,591.05 km) |
| South Plainfield to Inwood (New York) | 35.02 mi (56.36 km) |
| South Plainfield to Iona (Florida) | 1,063.03 mi (1,710.79 km) |
| South Plainfield to Ionia (Michigan) | 573.22 mi (922.51 km) |
| South Plainfield to Iowa City (Iowa) | 892.56 mi (1,436.43 km) |
| South Plainfield to Irmo (South Carolina) | 581.63 mi (936.05 km) |
| South Plainfield to Irondale (Alabama) | 830.46 mi (1,336.50 km) |
| South Plainfield to Ironton (Ohio) | 462.03 mi (743.57 km) |
| South Plainfield to Irvine (California) | 2,410.69 mi (3,879.63 km) |
| South Plainfield to Irving (Texas) | 1,353.23 mi (2,177.81 km) |
