| Donostia to Sesimbra | 501.49 mi (807.07 km) |
| Donostia to Setubal | 489.61 mi (787.95 km) |
| Donostia to Sever do Vouga | 373.20 mi (600.61 km) |
| Donostia to Silves | 543.29 mi (874.35 km) |
| Donostia to Sines | 517.05 mi (832.11 km) |
| Donostia to Sintra | 496.17 mi (798.51 km) |
| Donostia to Sobrado de Paiva | 358.45 mi (576.87 km) |
| Donostia to Sobral de Monte Agraco | 476.66 mi (767.11 km) |
| Donostia to Soure | 410.78 mi (661.09 km) |
| Donostia to Tabua | 372.38 mi (599.28 km) |
| Donostia to Tavira | 522.38 mi (840.69 km) |
| Donostia to Tomar | 420.67 mi (677.00 km) |
| Donostia to Tondela | 368.60 mi (593.21 km) |
| Donostia to Torre de Moncorvo | 301.41 mi (485.08 km) |
| Donostia to Torres Novas | 431.35 mi (694.19 km) |
