Visiting Antigua Catedral is a must for anyone who wants to learn more about Nicaragua’s history. You can get to Antigua Catedral from Augusto C. Sandino International Airport by purchasing a ticket for the tour that leaves from the airport. The Antigua Catedral is located 5.6 miles from Augusto C. Sandino International Airport. After the earthquake, you are no longer allowed to go inside. But, you can wander the grounds and the outside area when you visit.