San Sebastian is located in Gasteiz / Vitoria city, Spain at the 43.3128, -1.975 coordinates. Distance from San Sebastian to other cities. are listed below, click on the city name to find distance between. Distance from Donostia / San Sebastián to Bilbao 77 km, to Barakaldo 83 km, to Algorta 84 km. The green marker indicates the location of Donostia / San Sebastián.