I need help with it.
I'm trying to clone something 200,000 blocks away. It
You can only clone things in render distance or spawn chunks to a place in render distance or in spawn chunks. Moving something 200,000 blocks away would be better done using MCEdit >> http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-tools/1260525-mcedit-minecraft-world-editor-now-open-source