Make a logic_case and give it these outputs:
OnCase01 - <trigger_teleport's name> - AddOutput - message <destination 1 name>
OnCase02 - <trigger_teleport's name> - AddOutput - message <destination 2 name>
OnCase03 - <trigger_teleport's name> - AddOutput - message <destination 3 name>
ect
Now give the trigger teleport the output:
OnStartTouch - <Logic_case's name> - PickRandom (Or PickRandomShuffle if you preffer)