| Mariehamn to Setubal | 1,945.87 mi (3,131.58 km) |
| Mariehamn to Sever do Vouga | 1,801.17 mi (2,898.70 km) |
| Mariehamn to Silves | 2,013.70 mi (3,240.74 km) |
| Mariehamn to Sines | 1,979.07 mi (3,185.00 km) |
| Mariehamn to Sintra | 1,943.31 mi (3,127.45 km) |
| Mariehamn to Sobrado de Paiva | 1,780.90 mi (2,866.08 km) |
| Mariehamn to Sobral de Monte Agraco | 1,923.80 mi (3,096.05 km) |
| Mariehamn to Soure | 1,848.58 mi (2,975.01 km) |
| Mariehamn to Tabua | 1,813.53 mi (2,918.59 km) |
| Mariehamn to Tavira | 1,997.01 mi (3,213.88 km) |
| Mariehamn to Tomar | 1,869.01 mi (3,007.89 km) |
| Mariehamn to Tondela | 1,805.87 mi (2,906.27 km) |
| Mariehamn to Torre de Moncorvo | 1,739.48 mi (2,799.42 km) |
| Mariehamn to Torres Novas | 1,880.11 mi (3,025.75 km) |
| Mariehamn to Torres Vedras | 1,923.14 mi (3,095.00 km) |
