If you really want to be pedantic, the US and Russia have a sea border. If you count EEZ's, Russia's and Turkey's EEZ border each other in the Black Sea, as wo

If you really want to be pedantic, the US and Russia have a sea border. If you count EEZ's, Russia's and Turkey's EEZ border each other in the Black Sea, as would Romania's if you believe Crimea (and hence its associated EEZ) to be part of Russia.