According to this analysis of Q4 2018, AWS has twice the market share (32.3%) of MS's (16.5):
https://www.canalys.com/newsroom/cloud-market-share-q4-2018-...
I would call that "distant."
https://www.canalys.com/newsroom/cloud-market-share-q4-2018-...
I would call that "distant."