| Halstead to Solofra | 1,020.08 mi (1,641.65 km) |
| Halstead to Somma Lombardo | 566.43 mi (911.58 km) |
| Halstead to Somma Vesuviana | 1,005.16 mi (1,617.65 km) |
| Halstead to Sommacampagna | 648.07 mi (1,042.97 km) |
| Halstead to Sona | 645.82 mi (1,039.35 km) |
| Halstead to Sondrio | 576.96 mi (928.53 km) |
| Halstead to Sora | 932.95 mi (1,501.43 km) |
| Halstead to Sorbolo | 664.45 mi (1,069.33 km) |
| Halstead to Soresina | 622.64 mi (1,002.05 km) |
| Halstead to Sorisole | 592.47 mi (953.48 km) |
| Halstead to Sorrento | 1,017.00 mi (1,636.71 km) |
| Halstead to Sorso | 856.87 mi (1,379.00 km) |
| Halstead to Sortino | 1,237.93 mi (1,992.26 km) |
| Halstead to Soverato Marina | 1,193.43 mi (1,920.64 km) |
| Halstead to Sovicille | 773.99 mi (1,245.61 km) |
