| Ashford to Silver Firs (Washington) | 4,810.67 mi (7,742.03 km) |
| Ashford to Silver Spring (Maryland) | 3,708.40 mi (5,968.09 km) |
| Ashford to Silver Springs Shores (Florida) | 4,384.79 mi (7,056.63 km) |
| Ashford to Silverdale (Washington) | 4,835.81 mi (7,782.48 km) |
| Ashford to Silverton (Oregon) | 4,991.79 mi (8,033.52 km) |
| Ashford to Simi Valley (California) | 5,492.83 mi (8,839.86 km) |
| Ashford to Simpsonville (South Carolina) | 4,121.01 mi (6,632.12 km) |
| Ashford to Sioux City (Iowa) | 4,291.98 mi (6,907.28 km) |
| Ashford to Sioux Falls (South Dakota) | 4,253.04 mi (6,844.61 km) |
| Ashford to Skokie (Illinois) | 3,994.08 mi (6,427.85 km) |
| Ashford to Sleepy Hollow (New York) | 3,488.05 mi (5,613.48 km) |
| Ashford to Slidell (Louisiana) | 4,646.91 mi (7,478.48 km) |
| Ashford to Smithfield (North Carolina) | 3,922.88 mi (6,313.27 km) |
| Ashford to Smithfield (Utah) | 4,848.88 mi (7,803.52 km) |
| Ashford to Smithville (Missouri) | 4,378.42 mi (7,046.39 km) |
