http://fusion.net/story/124671/as-mexico-tightens-its-southern-border-central-american-migrants-find-new-routes-north/ Nathaniel Parish Flannery, "As Mexico tightens its southern border, Central American migrants find new routes north", Fusion.net] The border measures 871 kilometers and runs between north and west Guatemala (the Guatemalan departments of San Marcos, Huehuetenango, El Quiché and El Petén) and the Mexican states of Campeche, Tabasco and Chiapas.