Rope lanyards: 12', 15', 18', 20', 24', 40' (really!).
Rope lengths: 50', 100', 150', 200', 225', 300', 400', 600' (really!!).
Cable cored fliplines (I know you eliminated these from consideration; but anyway, for fun): 12', 15', 18', 22', and a very seldom used 30'.