| Tucson to Solofra | 6,321.63 mi (10,173.68 km) |
| Tucson to Somma Lombardo | 5,866.31 mi (9,440.91 km) |
| Tucson to Somma Vesuviana | 6,304.78 mi (10,146.57 km) |
| Tucson to Sommacampagna | 5,955.68 mi (9,584.74 km) |
| Tucson to Sona | 5,953.50 mi (9,581.23 km) |
| Tucson to Sondrio | 5,884.82 mi (9,470.71 km) |
| Tucson to Sora | 6,233.25 mi (10,031.44 km) |
| Tucson to Sorbolo | 5,967.95 mi (9,604.49 km) |
| Tucson to Soresina | 5,926.08 mi (9,537.10 km) |
| Tucson to Sorisole | 5,897.71 mi (9,491.44 km) |
| Tucson to Sorrento | 6,314.71 mi (10,162.55 km) |
| Tucson to Sorso | 6,089.43 mi (9,800.00 km) |
| Tucson to Sortino | 6,512.38 mi (10,480.67 km) |
| Tucson to Soverato Marina | 6,491.91 mi (10,447.71 km) |
| Tucson to Sovicille | 6,070.86 mi (9,770.11 km) |
