LOTS/
Approximately 90 miles, or around an hour and forty minute drive.
there are 15 national parks in the UK The most recent is south downs made a national park on the 31st of March 2010 Peace Out
There are 43 theme parks in the UK and another one only open on April Fools Day. To find out about them all, go to this link: http://www.coasterforce.com/UK
110 miles