I hadn't thought of that
But I don't think so. Putin is a student of history, and Kyiv is very important historically, especially to the Orthodox Church.
Vilnius, Tallin, Warsaw, Berlin, London; sure. Or further away. Hopefully he, and his sycophants realize the fallout will drift over Russia if they use a nuke anywhere in Europe.
Which leaves North America. Or Japan. And he still might get his proxy in North Korea to do it.
