| Highgate to Silver Firs (Washington) | 4,760.86 mi (7,661.87 km) |
| Highgate to Silver Spring (Maryland) | 3,657.55 mi (5,886.25 km) |
| Highgate to Silver Springs Shores (Florida) | 4,335.35 mi (6,977.08 km) |
| Highgate to Silverdale (Washington) | 4,786.06 mi (7,702.41 km) |
| Highgate to Silverton (Oregon) | 4,941.61 mi (7,952.75 km) |
| Highgate to Simi Valley (California) | 5,440.81 mi (8,756.14 km) |
| Highgate to Simpsonville (South Carolina) | 4,070.26 mi (6,550.45 km) |
| Highgate to Sioux City (Iowa) | 4,239.35 mi (6,822.57 km) |
| Highgate to Sioux Falls (South Dakota) | 4,200.41 mi (6,759.91 km) |
| Highgate to Skokie (Illinois) | 3,941.70 mi (6,343.55 km) |
| Highgate to Sleepy Hollow (New York) | 3,437.18 mi (5,531.60 km) |
| Highgate to Slidell (Louisiana) | 4,595.79 mi (7,396.21 km) |
| Highgate to Smithfield (North Carolina) | 3,872.63 mi (6,232.39 km) |
| Highgate to Smithfield (Utah) | 4,796.86 mi (7,719.80 km) |
| Highgate to Smithville (Missouri) | 4,325.90 mi (6,961.86 km) |
