Wanda

Wanda is a 1970 American independent drama film written and directed by Barbara Loden, who also stars in the title role. Set in the anthracite coal region of eastern Pennsylvania, the film focuses on an apathetic woman with limited options who inadvertently goes on the run with a bank robber.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster by Most likely the film's distributor, Bardene International Films. (Public domain).