| Prato to Smyrna (Delaware) | 4,276.76 mi (6,882.79 km) |
| Prato to Smyrna (Georgia) | 4,896.72 mi (7,880.51 km) |
| Prato to Smyrna (Tennessee) | 4,888.15 mi (7,866.72 km) |
| Prato to Snellville (Georgia) | 4,874.66 mi (7,845.01 km) |
| Prato to Snoqualmie (Washington) | 5,502.88 mi (8,856.03 km) |
| Prato to Snyder (Texas) | 5,632.96 mi (9,065.38 km) |
| Prato to Socastee (South Carolina) | 4,660.88 mi (7,500.96 km) |
| Prato to Socorro (Texas) | 5,894.97 mi (9,487.04 km) |
| Prato to Soddy-Daisy (Tennessee) | 4,862.54 mi (7,825.50 km) |
| Prato to Solana Beach (California) | 6,209.15 mi (9,992.66 km) |
| Prato to Soledad (California) | 6,137.31 mi (9,877.05 km) |
| Prato to Solon (Ohio) | 4,439.71 mi (7,145.03 km) |
| Prato to Somers Point (New Jersey) | 4,232.05 mi (6,810.82 km) |
| Prato to Somerset (Kentucky) | 4,757.23 mi (7,656.02 km) |
| Prato to Somerset (New Jersey) | 4,180.64 mi (6,728.09 km) |
