Here are a few suggestions for your next trip from Souselas
In 2 hours, you can reach Coimbra, Aveiro, Vacarica, Mealhada, Curia, Mogofores, Cacia, Estarreja, Oia, Oliveira Bairro...
In 3 hours, you can reach Porto, Vila Nova de Gaia, Espinho, Avanca, Ovar, Esmoriz.
Book - Trainline
Book - SNCF Connect
Book - Deutsche Bahn