Shock lengths should have no relation to your swaybar disconnects.
You have your coils, to which your bump stops should match, and then the shocks match to the bump stops.
Then the swaybar position is adjusted relative to the static ride height. This is done by having the ideal link length so that the swaybar is in it's sweet spot.
Wheel travel has even less to do with your swaybar lengths since the swaybar is usually discoonected when getting maximum travel offroad