| Leiden to Southern Pines (North Carolina) | 4,106.78 mi (6,609.22 km) |
| Leiden to Southfield (Michigan) | 3,907.97 mi (6,289.27 km) |
| Leiden to Southgate (Michigan) | 3,918.67 mi (6,306.49 km) |
| Leiden to Southlake (Texas) | 4,904.95 mi (7,893.75 km) |
| Leiden to Spanaway (Washington) | 4,896.82 mi (7,880.67 km) |
| Leiden to Spanish Fork (Utah) | 5,003.25 mi (8,051.95 km) |
| Leiden to Spanish Lake (Missouri) | 4,345.90 mi (6,994.05 km) |
| Leiden to Spanish Springs (Nevada) | 5,263.81 mi (8,471.28 km) |
| Leiden to Sparks (Nevada) | 5,270.01 mi (8,481.25 km) |
| Leiden to Spartanburg (South Carolina) | 4,219.35 mi (6,790.38 km) |
| Leiden to Spearfish (South Dakota) | 4,519.97 mi (7,274.19 km) |
| Leiden to Speedway (Indiana) | 4,148.46 mi (6,676.31 km) |
| Leiden to Spencer (Iowa) | 4,303.39 mi (6,925.63 km) |
| Leiden to Spokane (Washington) | 4,737.79 mi (7,624.74 km) |
| Leiden to Spokane Valley (Washington) | 4,732.88 mi (7,616.83 km) |
