| South Plainfield to Isabela (Puerto Rico) | 1,587.17 mi (2,554.30 km) |
| South Plainfield to Iselin (New Jersey) | 5.16 mi (8.30 km) |
| South Plainfield to Isla Vista (California) | 2,499.41 mi (4,022.41 km) |
| South Plainfield to Issaquah (Washington) | 2,374.74 mi (3,821.77 km) |
| South Plainfield to Ithaca (New York) | 168.38 mi (270.97 km) |
| South Plainfield to Ives Estates (Florida) | 1,062.46 mi (1,709.87 km) |
| South Plainfield to Jackson (Michigan) | 529.95 mi (852.88 km) |
| South Plainfield to Jackson (Mississippi) | 1,044.65 mi (1,681.21 km) |
| South Plainfield to Jackson (Missouri) | 846.46 mi (1,362.24 km) |
| South Plainfield to Jackson (Tennessee) | 853.11 mi (1,372.94 km) |
| South Plainfield to Jackson (Wyoming) | 1,862.02 mi (2,996.63 km) |
| South Plainfield to Jacksonville (Alabama) | 778.70 mi (1,253.20 km) |
| South Plainfield to Jacksonville (Arkansas) | 1,042.60 mi (1,677.91 km) |
| South Plainfield to Jacksonville (Florida) | 816.45 mi (1,313.94 km) |
| South Plainfield to Jacksonville (Illinois) | 836.19 mi (1,345.72 km) |
