What do you mean with “without commandline”? Every Linux distribution has a commandline. And I’m pretty sure you can configure Arch or Gentoo in such a way that you’ll never have to use the commandline.

But maybe OpenSUSE Tumbleweed is what you’re looking for. It has GUI tools for every administrative task. But it’s also a rolling release distro that constantly gets new packages. On installation you can select which desktop environment you want.