| Morpeth to Silver Firs (Washington) | 4,526.76 mi (7,285.12 km) |
| Morpeth to Silver Spring (Maryland) | 3,525.36 mi (5,673.52 km) |
| Morpeth to Silver Springs Shores (Florida) | 4,221.85 mi (6,794.42 km) |
| Morpeth to Silverdale (Washington) | 4,551.58 mi (7,325.06 km) |
| Morpeth to Silverton (Oregon) | 4,709.92 mi (7,579.89 km) |
| Morpeth to Simi Valley (California) | 5,228.61 mi (8,414.63 km) |
| Morpeth to Simpsonville (South Carolina) | 3,938.69 mi (6,338.70 km) |
| Morpeth to Sioux City (Iowa) | 4,053.57 mi (6,523.59 km) |
| Morpeth to Sioux Falls (South Dakota) | 4,011.45 mi (6,455.81 km) |
| Morpeth to Skokie (Illinois) | 3,774.58 mi (6,074.60 km) |
| Morpeth to Sleepy Hollow (New York) | 3,305.20 mi (5,319.21 km) |
| Morpeth to Slidell (Louisiana) | 4,456.96 mi (7,172.78 km) |
| Morpeth to Smithfield (North Carolina) | 3,749.07 mi (6,033.55 km) |
| Morpeth to Smithfield (Utah) | 4,585.07 mi (7,378.96 km) |
| Morpeth to Smithville (Missouri) | 4,151.52 mi (6,681.22 km) |
