| Portchester to Security-Widefield (Colorado) | 4,719.78 mi (7,595.75 km) |
| Portchester to Sedalia (Missouri) | 4,296.19 mi (6,914.05 km) |
| Portchester to Sedro-Woolley (Washington) | 4,740.59 mi (7,629.24 km) |
| Portchester to Seguin (Texas) | 4,939.74 mi (7,949.74 km) |
| Portchester to Selden (New York) | 3,388.32 mi (5,452.97 km) |
| Portchester to Selma (Alabama) | 4,354.35 mi (7,007.64 km) |
| Portchester to Selma (California) | 5,340.01 mi (8,593.92 km) |
| Portchester to Selma (Texas) | 4,953.58 mi (7,972.02 km) |
| Portchester to Seminole (Florida) | 4,401.07 mi (7,082.84 km) |
| Portchester to Seven Hills (Ohio) | 3,718.47 mi (5,984.30 km) |
| Portchester to Seven Oaks (South Carolina) | 4,031.36 mi (6,487.85 km) |
| Portchester to Severn (Maryland) | 3,614.15 mi (5,816.41 km) |
| Portchester to Severna Park (Maryland) | 3,611.02 mi (5,811.37 km) |
| Portchester to Sevierville (Tennessee) | 4,045.31 mi (6,510.30 km) |
| Portchester to Seymour (Indiana) | 3,996.83 mi (6,432.27 km) |
