You forgot, MOST importantly, Mecca and Medina as #1 Top Priority targets. And I AM advocating that.
Russia has 1,700 active nukes, plus 3,000 more in their stockpile if you include those that are not mated to missiles/bombs/whatever. If you do the math on that, there are more than enough to remove the top ten Muslim cities in population, your two "religiously" important cities, and most of the rest of Islam from anything approaching relevance.