you can take L1 from "Tirso de Molina" to "Bilbao".
Then in "Bilbao" change L4 to "Auturo Soria".
This trip only need one ticket.
When you arrival "Auturo Soria" that only 5 minutes walk to 大使馆.In madrid more than 90% of Subway(Metro) is zone A.so you only need buy one ticket of ZONE A .
Then in "Bilbao" change L4 to "Auturo Soria".
This trip only need one ticket.
When you arrival "Auturo Soria" that only 5 minutes walk to 大使馆.In madrid more than 90% of Subway(Metro) is zone A.so you only need buy one ticket of ZONE A .