| South Plainfield to Robbinsdale (Minnesota) | 1,004.42 mi (1,616.45 km) |
| South Plainfield to Robertsville (New Jersey) | 17.46 mi (28.10 km) |
| South Plainfield to Robinson (Texas) | 1,411.22 mi (2,271.14 km) |
| South Plainfield to Robstown (Texas) | 1,587.79 mi (2,555.30 km) |
| South Plainfield to Rochester (Michigan) | 472.36 mi (760.19 km) |
| South Plainfield to Rochester (Minnesota) | 951.11 mi (1,530.66 km) |
| South Plainfield to Rochester (New Hampshire) | 258.07 mi (415.33 km) |
| South Plainfield to Rochester (New York) | 243.33 mi (391.59 km) |
| South Plainfield to Rochester Hills (Michigan) | 473.76 mi (762.44 km) |
| South Plainfield to Rock Hill (South Carolina) | 530.54 mi (853.83 km) |
| South Plainfield to Rock Island (Illinois) | 843.81 mi (1,357.98 km) |
| South Plainfield to Rock Springs (Wyoming) | 1,801.65 mi (2,899.48 km) |
| South Plainfield to Rockford (Illinois) | 766.90 mi (1,234.21 km) |
| South Plainfield to Rockledge (Florida) | 919.44 mi (1,479.70 km) |
| South Plainfield to Rocklin (California) | 2,463.42 mi (3,964.48 km) |
