| Piacenza to Smyrna (Delaware) | 4,177.89 mi (6,723.67 km) |
| Piacenza to Smyrna (Georgia) | 4,797.72 mi (7,721.18 km) |
| Piacenza to Smyrna (Tennessee) | 4,787.37 mi (7,704.53 km) |
| Piacenza to Snellville (Georgia) | 4,775.86 mi (7,686.01 km) |
| Piacenza to Snoqualmie (Washington) | 5,398.28 mi (8,687.70 km) |
| Piacenza to Snyder (Texas) | 5,529.18 mi (8,898.36 km) |
| Piacenza to Socastee (South Carolina) | 4,564.25 mi (7,345.45 km) |
| Piacenza to Socorro (Texas) | 5,790.25 mi (9,318.51 km) |
| Piacenza to Soddy-Daisy (Tennessee) | 4,762.57 mi (7,664.61 km) |
| Piacenza to Solana Beach (California) | 6,103.02 mi (9,821.86 km) |
| Piacenza to Soledad (California) | 6,031.37 mi (9,706.55 km) |
| Piacenza to Solon (Ohio) | 4,337.91 mi (6,981.20 km) |
| Piacenza to Somers Point (New Jersey) | 4,133.51 mi (6,652.24 km) |
| Piacenza to Somerset (Kentucky) | 4,656.55 mi (7,493.99 km) |
| Piacenza to Somerset (New Jersey) | 4,081.39 mi (6,568.35 km) |
