Monroe is located in United States (Butler County, Ohio) and time zone America/New_York.
Places nearby are Middletown, Trenton and Mason.
Chicago is 373 km away, New York City is 840 km away and Brooklyn is 844 km away as the crow flies.
Distances from Monroe to the most important cities in United States and the world.
39.4403400°
-84.3621600°
US foreign policy regarding the Western Hemisphere first articulated in 1823
https://en.wikipedia.org/wiki/Monroe_DoctrineCounty in Pennsylvania, United States
https://en.wikipedia.org/wiki/Monroe_County,_Pennsylvania