Here are a few suggestions for your next trip from Cascais
In 2 hours, you can reach Queluz, Cacém, Rio de Mouro, Lisabon, Amadora.
In 4 hours, you can reach Setúbal.
In 5 hours, you can reach Coimbra, Évora.
In 6 hours, you can reach Porto, Vila Nova de Gaia.
In 7 hours, you can reach Braga.