| Casalecchio di Reno to Silver Firs (Washington) | 5,459.52 mi (8,786.24 km) |
| Casalecchio di Reno to Silver Spring (Maryland) | 4,337.71 mi (6,980.87 km) |
| Casalecchio di Reno to Silver Springs Shores (Florida) | 4,991.22 mi (8,032.60 km) |
| Casalecchio di Reno to Silverdale (Washington) | 5,484.11 mi (8,825.83 km) |
| Casalecchio di Reno to Silverton (Oregon) | 5,643.70 mi (9,082.66 km) |
| Casalecchio di Reno to Simi Valley (California) | 6,157.95 mi (9,910.27 km) |
| Casalecchio di Reno to Simpsonville (South Carolina) | 4,747.88 mi (7,640.97 km) |
| Casalecchio di Reno to Sioux City (Iowa) | 4,955.43 mi (7,975.00 km) |
| Casalecchio di Reno to Sioux Falls (South Dakota) | 4,917.46 mi (7,913.88 km) |
| Casalecchio di Reno to Skokie (Illinois) | 4,649.23 mi (7,482.21 km) |
| Casalecchio di Reno to Sleepy Hollow (New York) | 4,118.24 mi (6,627.66 km) |
| Casalecchio di Reno to Slidell (Louisiana) | 5,278.67 mi (8,495.20 km) |
| Casalecchio di Reno to Smithfield (North Carolina) | 4,542.73 mi (7,310.82 km) |
| Casalecchio di Reno to Smithfield (Utah) | 5,514.03 mi (8,873.98 km) |
| Casalecchio di Reno to Smithville (Missouri) | 5,037.01 mi (8,106.28 km) |
