 The journey took Guevara through Argentina , Chile , Peru , Ecuador , Colombia , Venezuela , Panama , and Miami , Florida , for 20 days , before returning home to Buenos Aires . By the end of the trip , he came to view Latin America not as collection of separate nations , but as a single entity requiring a continent @-@ wide liberation strategy . His conception of a borderless , united Hispanic America sharing a common Latino heritage was a theme that recurred prominently during his later revolutionary activities . Upon returning to Argentina , he completed his studies and received his medical degree in June 1953 , making him officially " Dr. Ernesto Guevara " . 
