You can also consider it just concerning T1, T2 and T3, nevertheless it's as swift to wander. Involving T4 and T4S, use the automated prepare. The metro also connects The 2 complexes however, you'd have to purchase a ticket for €3. There are other transfers air-facet for connecting travellers, https://tarot-gratuito66531.blogdal.com/27227567/about-madrid