| South Plainfield to Southern Pines (North Carolina) | 460.57 mi (741.21 km) |
| South Plainfield to Southfield (Michigan) | 475.78 mi (765.69 km) |
| South Plainfield to Southgate (Michigan) | 469.13 mi (755.00 km) |
| South Plainfield to Southlake (Texas) | 1,359.06 mi (2,187.19 km) |
| South Plainfield to Spanaway (Washington) | 2,395.83 mi (3,855.71 km) |
| South Plainfield to Spanish Fork (Utah) | 1,945.84 mi (3,131.52 km) |
| South Plainfield to Spanish Lake (Missouri) | 847.60 mi (1,364.08 km) |
| South Plainfield to Spanish Springs (Nevada) | 2,365.26 mi (3,806.52 km) |
| South Plainfield to Sparks (Nevada) | 2,369.28 mi (3,812.99 km) |
| South Plainfield to Spartanburg (South Carolina) | 564.95 mi (909.19 km) |
| South Plainfield to Spearfish (South Dakota) | 1,512.65 mi (2,434.38 km) |
| South Plainfield to Speedway (Indiana) | 626.46 mi (1,008.18 km) |
| South Plainfield to Spencer (Iowa) | 1,078.97 mi (1,736.44 km) |
| South Plainfield to Spokane (Washington) | 2,159.84 mi (3,475.92 km) |
| South Plainfield to Spokane Valley (Washington) | 2,150.63 mi (3,461.11 km) |
