regional and 3d topo map of San Marcos, Venezuela ::
San Marcos airports ::
The nearest airport is CBL - Ciudad Bolivar, located 72.0 km north east of San Marcos.
Other airports nearby include SOM - San Tome (141.8 km north), PZO - Guayana General Manuel Carlos Piar (153.6 km north east), AAO - Anaco (201.2 km north), CAJ - Canaima (203.9 km south east),