Sword Sharp (5e Campaign Setting)/Cosmology

Technically speaking. The material plane of SwordSharp Is 607,890 miles across yet after 408,002 miles you enter the dread zone, and the elemental planes (6 of them in total, the two new ones are the elemental planes of wood and metal) go from 607,890 miles to 1,098,530 miles beyond that is the elemental chaos (you're home for all your Chaotic Neutral Needs) then at 2,909,640 miles the outer planes start and go until 4,049,340 miles beyond that is the far realms