That would be by using mark and recall. You can mark a location with mark, and using recall you can teleport back there. These are mysticism spells of course (The only really usefull school in Morrowind...).
But, anyway, you shouldn't have to make the journey twice; just move all the goods to a central location, put them in your inventory, and use almsivi intervention or divine intervention. They still work when encumbered
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