A Tourist is a person who is "travelling to and staying in places outside their usual Environment for not more than one consecutive year for leisure, Business and other purposes not related to the exercise of an activity remunerated from within the place visited" (official UNWTO definition).
The distance between these two places is of no significance.
Other definition:
Tourist/Visitor/Traveler is any person who travels either for leisure or business purposes more than 160 km (100 miles round-trip) in a day or who stays overnight away from his/her primary domicile.