This CDC map of the global distribution of Wuhan coronavirus cases will be interesting to watch in the coming weeks. It will be continuously updated. Look here.
The CDC also has a map of the cases in the US that will also be updated as new cases are confirmed. Look here.
Johns Hopkins has a map of the coronavirus cases in China that is being continuously updated as well. It is a very concerning map and illustrates why many countries and companies including airlines are limiting travel to China. Look here. It's got tons for information about the current status of the outbreak in China. You can see how the number of cases is going up exponentially. You can also zoom out and see where it has spread around the globe. Great map!