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