| Zagarolo to Smyrna (Delaware) | 4,423.31 mi (7,118.63 km) |
| Zagarolo to Smyrna (Georgia) | 5,043.32 mi (8,116.44 km) |
| Zagarolo to Smyrna (Tennessee) | 5,038.45 mi (8,108.61 km) |
| Zagarolo to Snellville (Georgia) | 5,020.85 mi (8,080.28 km) |
| Zagarolo to Snoqualmie (Washington) | 5,669.32 mi (9,123.89 km) |
| Zagarolo to Snyder (Texas) | 5,789.94 mi (9,318.01 km) |
| Zagarolo to Socastee (South Carolina) | 4,802.82 mi (7,729.39 km) |
| Zagarolo to Socorro (Texas) | 6,054.39 mi (9,743.60 km) |
| Zagarolo to Soddy-Daisy (Tennessee) | 5,011.15 mi (8,064.66 km) |
| Zagarolo to Solana Beach (California) | 6,373.82 mi (10,257.68 km) |
| Zagarolo to Soledad (California) | 6,303.49 mi (10,144.49 km) |
| Zagarolo to Solon (Ohio) | 4,592.33 mi (7,390.64 km) |
| Zagarolo to Somers Point (New Jersey) | 4,377.94 mi (7,045.61 km) |
| Zagarolo to Somerset (Kentucky) | 4,907.36 mi (7,897.63 km) |
| Zagarolo to Somerset (New Jersey) | 4,328.00 mi (6,965.25 km) |
