It would be much, much shorter if the Erie Canal was an option.
Are you sure they are going all of the way up and around using the St. Lawrence? I know some people don't like the canal because they have to drop the stick, but it saves a ton of miles.
Courtney is My Hero
If a man is to be obsessed by something, I suppose a boat is as good as anything, perhaps a bit better than most - E.B. White