| Royston to Silver Firs (Washington) | 4,738.08 mi (7,625.20 km) |
| Royston to Silver Spring (Maryland) | 3,652.26 mi (5,877.74 km) |
| Royston to Silver Springs Shores (Florida) | 4,332.98 mi (6,973.25 km) |
| Royston to Silverdale (Washington) | 4,763.19 mi (7,665.61 km) |
| Royston to Silverton (Oregon) | 4,919.38 mi (7,916.98 km) |
| Royston to Simi Valley (California) | 5,422.64 mi (8,726.89 km) |
| Royston to Simpsonville (South Carolina) | 4,065.18 mi (6,542.27 km) |
| Royston to Sioux City (Iowa) | 4,225.76 mi (6,800.71 km) |
| Royston to Sioux Falls (South Dakota) | 4,186.27 mi (6,737.16 km) |
| Royston to Skokie (Illinois) | 3,931.12 mi (6,326.53 km) |
| Royston to Sleepy Hollow (New York) | 3,431.85 mi (5,523.02 km) |
| Royston to Slidell (Louisiana) | 4,589.76 mi (7,386.50 km) |
| Royston to Smithfield (North Carolina) | 3,868.67 mi (6,226.02 km) |
| Royston to Smithfield (Utah) | 4,778.69 mi (7,690.57 km) |
| Royston to Smithville (Missouri) | 4,314.23 mi (6,943.08 km) |
