| Olecko to Setubal | 1,818.56 mi (2,926.70 km) |
| Olecko to Sever do Vouga | 1,691.03 mi (2,721.46 km) |
| Olecko to Silves | 1,869.83 mi (3,009.21 km) |
| Olecko to Sines | 1,846.19 mi (2,971.16 km) |
| Olecko to Sintra | 1,823.45 mi (2,934.56 km) |
| Olecko to Sobrado de Paiva | 1,673.05 mi (2,692.52 km) |
| Olecko to Sobral de Monte Agraco | 1,803.76 mi (2,902.87 km) |
| Olecko to Soure | 1,733.84 mi (2,790.35 km) |
| Olecko to Tabua | 1,696.04 mi (2,729.51 km) |
| Olecko to Tavira | 1,844.80 mi (2,968.92 km) |
| Olecko to Tomar | 1,747.53 mi (2,812.37 km) |
| Olecko to Tondela | 1,690.59 mi (2,720.73 km) |
| Olecko to Torre de Moncorvo | 1,622.08 mi (2,610.48 km) |
| Olecko to Torres Novas | 1,758.44 mi (2,829.93 km) |
| Olecko to Torres Vedras | 1,804.86 mi (2,904.64 km) |
