| Aci Catena to Silver Firs (Washington) | 5,973.12 mi (9,612.81 km) |
| Aci Catena to Silver Spring (Maryland) | 4,756.87 mi (7,655.44 km) |
| Aci Catena to Silver Springs Shores (Florida) | 5,377.92 mi (8,654.92 km) |
| Aci Catena to Silverdale (Washington) | 5,997.89 mi (9,652.67 km) |
| Aci Catena to Silverton (Oregon) | 6,156.20 mi (9,907.45 km) |
| Aci Catena to Simi Valley (California) | 6,656.09 mi (10,711.94 km) |
| Aci Catena to Simpsonville (South Carolina) | 5,161.41 mi (8,306.48 km) |
| Aci Catena to Sioux City (Iowa) | 5,429.94 mi (8,738.65 km) |
| Aci Catena to Sioux Falls (South Dakota) | 5,395.33 mi (8,682.95 km) |
| Aci Catena to Skokie (Illinois) | 5,105.45 mi (8,216.43 km) |
| Aci Catena to Sleepy Hollow (New York) | 4,539.90 mi (7,306.26 km) |
| Aci Catena to Slidell (Louisiana) | 5,695.79 mi (9,166.48 km) |
| Aci Catena to Smithfield (North Carolina) | 4,948.74 mi (7,964.23 km) |
| Aci Catena to Smithfield (Utah) | 6,012.33 mi (9,675.90 km) |
| Aci Catena to Smithville (Missouri) | 5,498.99 mi (8,849.77 km) |
