Canada, Mexico, and Russia border the United States.
No US States, however two Canadian Provinces share border and there is a maritime border with Russia.
the state that shares a border with Russia
Alaska shares a water border with Russia and a land border with Canada.
The United States of America has two international land borders; one with Canada to the north (US-Canadian Border) and another with Mexico to the south (US-Mexico Border). Also the US.Federal government considers that a border exsists between the United States and Russia,Cuba and the Bahamas.Canada and Mexico
None the US and Russia do not border
Russia & China
Idaho has a border with six US States plus Canada. Oklahoma has a border with six US States. Utah has a border with six US States. Wyoming has a border with six US States.
Russia
Pennsylvania is a state in the US. Russia is a country in Asia and Europe, which are different continents from North America, which contains the US. Russia can't possibly border Pennsylvania.
The country which has an exclave that shares a border with both Russia and Canada is the United States. The United States exclave which shares a border with both is the state of Alaska.
russia is the closest country and it does not touch the border of the US!!! :)