| Leiden to Smyrna (Delaware) | 3,760.40 mi (6,051.78 km) |
| Leiden to Smyrna (Georgia) | 4,375.57 mi (7,041.80 km) |
| Leiden to Smyrna (Tennessee) | 4,348.24 mi (6,997.82 km) |
| Leiden to Snellville (Georgia) | 4,355.70 mi (7,009.82 km) |
| Leiden to Snoqualmie (Washington) | 4,857.16 mi (7,816.85 km) |
| Leiden to Snyder (Texas) | 5,054.81 mi (8,134.92 km) |
| Leiden to Socastee (South Carolina) | 4,164.66 mi (6,702.37 km) |
| Leiden to Socorro (Texas) | 5,302.86 mi (8,534.12 km) |
| Leiden to Soddy-Daisy (Tennessee) | 4,331.46 mi (6,970.80 km) |
| Leiden to Solana Beach (California) | 5,584.99 mi (8,988.17 km) |
| Leiden to Soledad (California) | 5,501.04 mi (8,853.07 km) |
| Leiden to Solon (Ohio) | 3,890.24 mi (6,260.74 km) |
| Leiden to Somers Point (New Jersey) | 3,719.46 mi (5,985.89 km) |
| Leiden to Somerset (Kentucky) | 4,218.96 mi (6,789.76 km) |
| Leiden to Somerset (New Jersey) | 3,660.82 mi (5,891.52 km) |
