I had to move a colony a little less than 100m during the summer a couple of years back because they were getting a bit antsy with our builder who is seriously allergic to bee stings. I moved it one evening and propped a load of leafy twigs in front of the entrance (I've been told that can help to make them re-orientate and there didn't seem to be much to lose by trying it), leaving another box in its place. I had some flying bees go back to the old site, so in the evening I shook them back into the moved hive. Over a few days the numbers returning gradually diminished.
It's not ideal and perhaps stuffing grass in the entrance might help in combination with everything else, but it seemed to do the job in a pinch.
James