| Horley to Silver Firs (Washington) | 4,781.93 mi (7,695.78 km) |
| Horley to Silver Spring (Maryland) | 3,665.20 mi (5,898.58 km) |
| Horley to Silver Springs Shores (Florida) | 4,340.61 mi (6,985.53 km) |
| Horley to Silverdale (Washington) | 4,807.19 mi (7,736.42 km) |
| Horley to Silverton (Oregon) | 4,962.27 mi (7,985.99 km) |
| Horley to Simi Valley (California) | 5,458.43 mi (8,784.50 km) |
| Horley to Simpsonville (South Carolina) | 4,077.72 mi (6,562.45 km) |
| Horley to Sioux City (Iowa) | 4,253.51 mi (6,845.37 km) |
| Horley to Sioux Falls (South Dakota) | 4,215.00 mi (6,783.39 km) |
| Horley to Skokie (Illinois) | 3,953.53 mi (6,362.60 km) |
| Horley to Sleepy Hollow (New York) | 3,444.89 mi (5,544.01 km) |
| Horley to Slidell (Louisiana) | 4,603.98 mi (7,409.39 km) |
| Horley to Smithfield (North Carolina) | 3,879.20 mi (6,242.96 km) |
| Horley to Smithfield (Utah) | 4,814.50 mi (7,748.19 km) |
| Horley to Smithville (Missouri) | 4,338.57 mi (6,982.25 km) |
