The US and Russia do not border
Alaska
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.
None the US and Russia do not border
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
russia is the closest country and it does not touch the border of the US!!! :)
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
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.
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.
Alaska and Hawaii are US states that don't border other US states.