| South Plainfield to Rockport (Texas) | 1,549.40 mi (2,493.53 km) |
| South Plainfield to Rockville (Maryland) | 178.19 mi (286.77 km) |
| South Plainfield to Rockville Centre (New York) | 41.21 mi (66.32 km) |
| South Plainfield to Rockwall (Texas) | 1,324.38 mi (2,131.38 km) |
| South Plainfield to Rocky Mount (North Carolina) | 367.46 mi (591.37 km) |
| South Plainfield to Rocky Point (New York) | 81.31 mi (130.86 km) |
| South Plainfield to Rocky River (Ohio) | 392.46 mi (631.61 km) |
| South Plainfield to Roessleville (New York) | 150.06 mi (241.50 km) |
| South Plainfield to Rogers (Arkansas) | 1,105.19 mi (1,778.64 km) |
| South Plainfield to Rogers (Minnesota) | 1,018.31 mi (1,638.81 km) |
| South Plainfield to Rohnert Park (California) | 2,547.65 mi (4,100.05 km) |
| South Plainfield to Rolla (Missouri) | 943.91 mi (1,519.08 km) |
| South Plainfield to Rolling Meadows (Illinois) | 712.97 mi (1,147.41 km) |
| South Plainfield to Roma (Texas) | 1,712.10 mi (2,755.36 km) |
| South Plainfield to Rome (Georgia) | 733.47 mi (1,180.41 km) |
