Road trip destinations from Florida

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So I live in Florida and it's hot as balls here right now!!! I'm dying for even just some 50-60 degree weather... Me and my boyfriend are going to be on break from school and work for a little, does anyone know any nice places/cities to visit over around New Years? Preferably somewhere that isn't further than somewhere like Tennessee... Even though I wish we could go to Colorado or something. I'm 19 and he's 20 and we tried to rent a cabin but unfortunately the ages are either usually 21 or 25... Hotels are usually okay though we have never had an age issue before. Even north Florida is somewhat cooler than here. I'm up for anything that is hours away.