regional and 3d topo map of San Marcos, El Salvador ::
San Marcos airports ::
The nearest airport is SAL - San Salvador El Salvador Intl, located 103.9 km west of San Marcos.
Other airports nearby include TGU - Tegucigalpa Toncontin Intl (108.1 km north east), SAP - San Pedro Sula La Mesa Intl (202.4 km north), MGA - Managua Intl (268.2 km south east),