Goyang-si is located in Suwon-si city, South Korea at the 37.6564, 126.835 coordinates. Distance from Goyang-si to other cities. are listed below, click on the city name to find distance between. Distance from Goyang-si to Seongnam-si 36 km, to Bucheon-si 18 km, to Ansan-si 37 km. The green marker indicates the location of Goyang-si.