190 miles
northern nh
the country that forms the northern boundary of the United States is Canada :)
Norway, Finland, and Russia were creating a northern boundary.
Canada.
The northern boundary of Sumatra is a general tectonic boundary where the Eurasian Plate meets the Sunda Plate. This boundary can experience earthquakes and volcanic activity due to tectonic movements.
Pennsylvania.
The northern boundary of British Columbia is located at approximately 60 degrees latitude.
Maryland's northern boundary is defined by the Mason-Dixon Line, which serves as the border between Maryland and Pennsylvania.
This is the boundary with Ukraine: mountains and the river Tisa.
The Arctic Ocean is the northern boundary of Europe.
Minnesota