| Urbino to Silver Firs (Washington) | 5,538.08 mi (8,912.68 km) |
| Urbino to Silver Spring (Maryland) | 4,421.99 mi (7,116.51 km) |
| Urbino to Silver Springs Shores (Florida) | 5,073.96 mi (8,165.75 km) |
| Urbino to Silverdale (Washington) | 5,562.56 mi (8,952.07 km) |
| Urbino to Silverton (Oregon) | 5,722.90 mi (9,210.11 km) |
| Urbino to Simi Valley (California) | 6,240.86 mi (10,043.69 km) |
| Urbino to Simpsonville (South Carolina) | 4,831.98 mi (7,776.32 km) |
| Urbino to Sioux City (Iowa) | 5,040.31 mi (8,111.60 km) |
| Urbino to Sioux Falls (South Dakota) | 5,002.21 mi (8,050.27 km) |
| Urbino to Skokie (Illinois) | 4,734.41 mi (7,619.30 km) |
| Urbino to Sleepy Hollow (New York) | 4,202.60 mi (6,763.43 km) |
| Urbino to Slidell (Louisiana) | 5,363.00 mi (8,630.91 km) |
| Urbino to Smithfield (North Carolina) | 4,626.45 mi (7,445.55 km) |
| Urbino to Smithfield (Utah) | 5,596.98 mi (9,007.46 km) |
| Urbino to Smithville (Missouri) | 5,122.16 mi (8,243.32 km) |
