| Tucson to Sesimbra | 5,439.33 mi (8,753.75 km) |
| Tucson to Setubal | 5,445.80 mi (8,764.17 km) |
| Tucson to Sever do Vouga | 5,387.72 mi (8,670.70 km) |
| Tucson to Silves | 5,516.49 mi (8,877.93 km) |
| Tucson to Sines | 5,468.22 mi (8,800.25 km) |
| Tucson to Sintra | 5,413.05 mi (8,711.46 km) |
| Tucson to Sobrado de Paiva | 5,381.05 mi (8,659.97 km) |
| Tucson to Sobral de Monte Agraco | 5,415.76 mi (8,715.82 km) |
| Tucson to Soure | 5,401.10 mi (8,692.23 km) |
| Tucson to Tabua | 5,416.50 mi (8,717.02 km) |
| Tucson to Tavira | 5,555.54 mi (8,940.77 km) |
| Tucson to Tomar | 5,427.46 mi (8,734.65 km) |
| Tucson to Tondela | 5,408.29 mi (8,703.80 km) |
| Tucson to Torre de Moncorvo | 5,424.52 mi (8,729.93 km) |
| Tucson to Torres Novas | 5,427.16 mi (8,734.17 km) |
