| San Pietro in Casale to Smyrna (Delaware) | 4,262.71 mi (6,860.17 km) |
| San Pietro in Casale to Smyrna (Georgia) | 4,882.45 mi (7,857.54 km) |
| San Pietro in Casale to Smyrna (Tennessee) | 4,871.09 mi (7,839.27 km) |
| San Pietro in Casale to Snellville (Georgia) | 4,860.69 mi (7,822.52 km) |
| San Pietro in Casale to Snoqualmie (Washington) | 5,461.45 mi (8,789.35 km) |
| San Pietro in Casale to Snyder (Texas) | 5,609.95 mi (9,028.35 km) |
| San Pietro in Casale to Socastee (South Carolina) | 4,649.90 mi (7,483.29 km) |
| San Pietro in Casale to Socorro (Texas) | 5,869.42 mi (9,445.92 km) |
| San Pietro in Casale to Soddy-Daisy (Tennessee) | 4,846.79 mi (7,800.16 km) |
| San Pietro in Casale to Solana Beach (California) | 6,176.29 mi (9,939.78 km) |
| San Pietro in Casale to Soledad (California) | 6,100.60 mi (9,817.98 km) |
| San Pietro in Casale to Solon (Ohio) | 4,420.89 mi (7,114.74 km) |
| San Pietro in Casale to Somers Point (New Jersey) | 4,218.48 mi (6,788.99 km) |
| San Pietro in Casale to Somerset (Kentucky) | 4,740.34 mi (7,628.83 km) |
| San Pietro in Casale to Somerset (New Jersey) | 4,166.02 mi (6,704.56 km) |
