It depends on what kind of applicant you are (you are required to be loaded to afford the states (safely budget ~400,000 loans...keep in mind that Canadian banks will only lend you, personally, a max of ~200,000)):
--Do you have a green card? Are you a permanent resident? If so, then you're pretty much open to every school except Mississippi.
--Do you have super competitive stats and a perfect application? Then you're pretty much open to every other school, including the Ivies (except Columbia; they haven't been very Canadian friendly this decade)
--Do you have a decent GPA and a high DAT? UoP
--Pretty competitive application? BU, NYU, Nova, UDM (esp. if you're from SW Ontario), Case
A few public schools are Canadian/international friendly as well, like the University of Minnesota or UMaryland. Pick up the ADEA guide and have a look.