The crossword solution for the term 3:10 to ___ is YUMA, a four-letter word. Yuma is a city located in southwestern Arizona, near the California border. It is the county seat of Yuma County and has a population of around 95, 000 people. Yuma is known for its hot climate and is one of the sunniest cities in the United States. It is also home to the Marine Corps Air Station Yuma, which is the largest military air station in the world.