| Lanciano to Silver Firs (Washington) | 5,670.70 mi (9,126.10 km) |
| Lanciano to Silver Spring (Maryland) | 4,550.67 mi (7,323.59 km) |
| Lanciano to Silver Springs Shores (Florida) | 5,197.91 mi (8,365.23 km) |
| Lanciano to Silverdale (Washington) | 5,695.07 mi (9,165.33 km) |
| Lanciano to Silverton (Oregon) | 5,856.04 mi (9,424.39 km) |
| Lanciano to Simi Valley (California) | 6,376.39 mi (10,261.81 km) |
| Lanciano to Simpsonville (South Carolina) | 4,959.99 mi (7,982.33 km) |
| Lanciano to Sioux City (Iowa) | 5,175.36 mi (8,328.94 km) |
| Lanciano to Sioux Falls (South Dakota) | 5,137.46 mi (8,267.94 km) |
| Lanciano to Skokie (Illinois) | 4,867.84 mi (7,834.03 km) |
| Lanciano to Sleepy Hollow (New York) | 4,331.54 mi (6,970.94 km) |
| Lanciano to Slidell (Louisiana) | 5,491.71 mi (8,838.05 km) |
| Lanciano to Smithfield (North Carolina) | 4,753.25 mi (7,649.61 km) |
| Lanciano to Smithfield (Utah) | 5,732.52 mi (9,225.61 km) |
| Lanciano to Smithville (Missouri) | 5,256.22 mi (8,459.07 km) |
