regional and 3d topo map of San Marcos, El Salvador ::
San Marcos airports ::
The nearest airport is SAL - San Salvador El Salvador Intl, located 78.6 km south west of San Marcos.
Other airports nearby include TGU - Tegucigalpa Toncontin Intl (146.2 km east), SAP - San Pedro Sula La Mesa Intl (178.4 km north east), GUA - Guatemala City La Aurora (222.3 km west), TEA - Tela (232.1 km north east),