As depicted by the Sky's The Limit Orrery (model of the solar system) in Twentynine Palms, California, USA
At this scale (20 billion to one) Alpha Centauri is located about 10 miles south-east of Colima, Mexico, which is a few hundred miles west of Mexico City.
We have calculated the location of Alpha Centauri to be in a Mexican field at the following coordinates:
19°07'38.0"N 103°33'08.0"W (in hours, minutes, and seconds)
19.127222, -103.552222 (in degrees north of the equator and west from the prime meridean)