| Portchester to Southern Pines (North Carolina) | 3,905.00 mi (6,284.49 km) |
| Portchester to Southfield (Michigan) | 3,733.36 mi (6,008.27 km) |
| Portchester to Southgate (Michigan) | 3,743.14 mi (6,023.99 km) |
| Portchester to Southlake (Texas) | 4,734.44 mi (7,619.35 km) |
| Portchester to Spanaway (Washington) | 4,825.42 mi (7,765.77 km) |
| Portchester to Spanish Fork (Utah) | 4,885.92 mi (7,863.13 km) |
| Portchester to Spanish Lake (Missouri) | 4,174.85 mi (6,718.77 km) |
| Portchester to Spanish Springs (Nevada) | 5,166.84 mi (8,315.22 km) |
| Portchester to Sparks (Nevada) | 5,172.97 mi (8,325.09 km) |
| Portchester to Spartanburg (South Carolina) | 4,021.73 mi (6,472.35 km) |
| Portchester to Spearfish (South Dakota) | 4,395.35 mi (7,073.63 km) |
| Portchester to Speedway (Indiana) | 3,971.99 mi (6,392.30 km) |
| Portchester to Spencer (Iowa) | 4,155.32 mi (6,687.34 km) |
| Portchester to Spokane (Washington) | 4,655.09 mi (7,491.65 km) |
| Portchester to Spokane Valley (Washington) | 4,649.67 mi (7,482.92 km) |
