After spending 3 nights at Cascadas de Merida, my friend and I plan to rent a car and drive to Chichen Itza - and continue for another 10 days from there. I have found outstanding car rental rates from National, but there are 2 locations in Merida. One is at the Fiesta Americana Hotel, the other at Calle 60 (not sure of the cross street). How difficult will it be to get out of the city from the central area and is there any advantage of one location or the other? I am anxious to hear any advice from those in the know.