The verse I’m thinking of
has some wording like:
—northern most
—uttermost north
etc.
Haven’t found it yet, either.
I’m 100% certain it’s in Scripture, however. Have read it many times and noted that folks who would argue against Russia as fitting those prophecies were off the wall clueless because of that verse. No other country possibly fits.
My memory of Scripture is in the KJV, BTW.
Here’s a great online tool for locating scripture verses using words, phrases, etc. I use it all the time. It’s free: