| Constanta to Sesimbra | 1,979.86 mi (3,186.27 km) |
| Constanta to Setubal | 1,967.37 mi (3,166.17 km) |
| Constanta to Sever do Vouga | 1,885.07 mi (3,033.73 km) |
| Constanta to Silves | 1,983.50 mi (3,192.13 km) |
| Constanta to Sines | 1,982.02 mi (3,189.75 km) |
| Constanta to Sintra | 1,984.38 mi (3,193.56 km) |
| Constanta to Sobrado de Paiva | 1,873.27 mi (3,014.74 km) |
| Constanta to Sobral de Monte Agraco | 1,966.79 mi (3,165.24 km) |
| Constanta to Soure | 1,914.60 mi (3,081.25 km) |
| Constanta to Tabua | 1,877.22 mi (3,021.09 km) |
| Constanta to Tavira | 1,946.53 mi (3,132.64 km) |
| Constanta to Tomar | 1,915.19 mi (3,082.20 km) |
| Constanta to Tondela | 1,876.17 mi (3,019.40 km) |
| Constanta to Torre de Moncorvo | 1,813.71 mi (2,918.89 km) |
| Constanta to Torres Novas | 1,924.38 mi (3,096.99 km) |
