Canoeing Mississippi

How far from STL to Memphis and the Gulf of Mexico (through the Mississippi by canoe)?
I'm thinking of canoeing down the Mississippi River, I would start in St. Louis and head down to Memphis and the Gulf … its legal right?
Yes, it is legal. Http: / / www.bucktrack.com / Missisippi_River_Canoe_Speed.html check this link for mileage
Nancy Today; Canoeing the Mississippi River