I might be totally off here but you have left your snake with your parents while you where away at school,
four years of careing, feeding, cleaning and time.
Now you want to take him five hours away?
If I 'm right sounds like your parents are attached and want to keep him,
if that's the case, let them, they must be doing a good job after four years.
Take the opportunity and buy a new baby after you get set up with a place to live.
Win, win.
Then again I could be totally off base.