| Irondale to Solofra | 5,277.39 mi (8,493.15 km) |
| Irondale to Somma Lombardo | 4,840.98 mi (7,790.81 km) |
| Irondale to Somma Vesuviana | 5,257.76 mi (8,461.55 km) |
| Irondale to Sommacampagna | 4,941.63 mi (7,952.79 km) |
| Irondale to Sona | 4,939.80 mi (7,949.84 km) |
| Irondale to Sondrio | 4,874.56 mi (7,844.84 km) |
| Irondale to Sora | 5,190.62 mi (8,353.50 km) |
| Irondale to Sorbolo | 4,943.33 mi (7,955.53 km) |
| Irondale to Soresina | 4,903.32 mi (7,891.13 km) |
| Irondale to Sorisole | 4,879.83 mi (7,853.33 km) |
| Irondale to Sorrento | 5,264.08 mi (8,471.72 km) |
| Irondale to Sorso | 4,997.85 mi (8,043.27 km) |
| Irondale to Sortino | 5,424.44 mi (8,729.80 km) |
| Irondale to Soverato Marina | 5,434.67 mi (8,746.25 km) |
| Irondale to Sovicille | 5,030.77 mi (8,096.24 km) |
