| Sinop to Sesimbra | 2,321.08 mi (3,735.42 km) |
| Sinop to Setubal | 2,308.65 mi (3,715.41 km) |
| Sinop to Sever do Vouga | 2,233.34 mi (3,594.22 km) |
| Sinop to Silves | 2,319.02 mi (3,732.10 km) |
| Sinop to Sines | 2,321.14 mi (3,735.51 km) |
| Sinop to Sintra | 2,327.20 mi (3,745.27 km) |
| Sinop to Sobrado de Paiva | 2,222.38 mi (3,576.58 km) |
| Sinop to Sobral de Monte Agraco | 2,310.12 mi (3,717.77 km) |
| Sinop to Soure | 2,260.91 mi (3,638.59 km) |
| Sinop to Tabua | 2,224.02 mi (3,579.22 km) |
| Sinop to Tavira | 2,280.59 mi (3,670.26 km) |
| Sinop to Tomar | 2,259.79 mi (3,636.78 km) |
| Sinop to Tondela | 2,223.52 mi (3,578.42 km) |
| Sinop to Torre de Moncorvo | 2,162.51 mi (3,480.22 km) |
| Sinop to Torres Novas | 2,268.63 mi (3,651.01 km) |
