Can i create a landscape 800x800 km size?

hello every one, so i have a terrain mesh of 800x800 km size with 10m/pix resolution.

i m trying to make this land size for a flying game.

could some one give me a hint with this ?

Here’s a step by step guide on how to import a tiled landscape: A new, community-hosted Unreal Engine Wiki - Announcements - Unreal Engine Forums