| South Plainfield to Ramsey (New Jersey) | 36.34 mi (58.48 km) |
| South Plainfield to Rancho Cordova (California) | 2,468.67 mi (3,972.95 km) |
| South Plainfield to Rancho Cucamonga (California) | 2,387.28 mi (3,841.96 km) |
| South Plainfield to Rancho Mirage (California) | 2,337.64 mi (3,762.07 km) |
| South Plainfield to Rancho Palos Verdes (California) | 2,439.37 mi (3,925.79 km) |
| South Plainfield to Rancho San Diego (California) | 2,392.44 mi (3,850.26 km) |
| South Plainfield to Rancho Santa Margarita (California) | 2,402.81 mi (3,866.94 km) |
| South Plainfield to Randallstown (Maryland) | 151.25 mi (243.42 km) |
| South Plainfield to Rantoul (Illinois) | 722.04 mi (1,162.01 km) |
| South Plainfield to Rapid City (South Dakota) | 1,483.40 mi (2,387.30 km) |
| South Plainfield to Ravenna (Ohio) | 358.91 mi (577.61 km) |
| South Plainfield to Raymondville (Texas) | 1,652.46 mi (2,659.37 km) |
| South Plainfield to Raymore (Missouri) | 1,070.33 mi (1,722.54 km) |
| South Plainfield to Raytown (Missouri) | 1,067.75 mi (1,718.38 km) |
| South Plainfield to Reading (Ohio) | 538.85 mi (867.19 km) |
