Here are a few suggestions for your next trip from Zarautz
In 2 hours, you can reach Bilbao.
In 5 hours, you can reach Zaragoza, Bordeaux, Valladolid.
In 6 hours, you can reach Madrid, Toulouse.
In 7 hours, you can reach Paris, Barcelona, Gijón.
In 8 hours, you can reach Valencia, Córdoba.
Book - Trainline
Book - SNCF Connect
Book - Deutsche Bahn