Mason is located in United States (Warren County, Ohio) and time zone America/New_York.
Places nearby are Landen, Monroe and Beckett Ridge.
Chicago is 383 km away, New York City is 838 km away and Brooklyn is 841 km away as the crow flies.
Distances from Mason to the most important cities in United States and the world.
39.3600600°
-84.3099400°
Surveyed border line between U.S. states of Delaware, Maryland, and Pennsylvania
https://en.wikipedia.org/wiki/Mason–Dixon_line