My dads moving away!...?

So my parents have been devorsed for ever but he lives real close to me in joplin missouri and i like in oklahoma hes only 30 mins away but he just told me hes moving to summerville south caralina and thats so far away!! How long do you think il be able to be worh him there like for visitation would i just have to go in the summer or what? Im gunna miss him cause my 5 year old brother is going to....