It would have had to cross all of Hungary to get there. The Tu-141 has a range of about 600 miles, so it would have been launched from the west of
Kyiv.
They’ve been over there several times. They use them for Coronet missions, ferrying fighters to and from CONUS. Two were flying out of Spain the
other day. Got over Poland, and their receivers canceled, so they went back to Spain.
Because Ukraine airspace is closed to commercial aircraft, and NATO aircraft are flying security missions over NATO members to boost their security.
Several nations in the area have fewer than 20 combat capable aircraft.