| Pioltello to Smyrna (Delaware) | 4,147.77 mi (6,675.19 km) |
| Pioltello to Smyrna (Georgia) | 4,767.50 mi (7,672.55 km) |
| Pioltello to Smyrna (Tennessee) | 4,756.24 mi (7,654.42 km) |
| Pioltello to Snellville (Georgia) | 4,745.75 mi (7,637.55 km) |
| Pioltello to Snoqualmie (Washington) | 5,362.45 mi (8,630.03 km) |
| Pioltello to Snyder (Texas) | 5,496.29 mi (8,845.42 km) |
| Pioltello to Socastee (South Carolina) | 4,535.21 mi (7,298.72 km) |
| Pioltello to Socorro (Texas) | 5,756.71 mi (9,264.53 km) |
| Pioltello to Soddy-Daisy (Tennessee) | 4,731.86 mi (7,615.19 km) |
| Pioltello to Solana Beach (California) | 6,068.01 mi (9,765.52 km) |
| Pioltello to Soledad (California) | 5,995.85 mi (9,649.39 km) |
| Pioltello to Solon (Ohio) | 4,306.23 mi (6,930.21 km) |
| Pioltello to Somers Point (New Jersey) | 4,103.56 mi (6,604.04 km) |
| Pioltello to Somerset (Kentucky) | 4,625.46 mi (7,443.96 km) |
| Pioltello to Somerset (New Jersey) | 4,051.07 mi (6,519.57 km) |
