Here are a few suggestions for your next trip from Guarda(P)

In 4 hours, you can reach Coimbra.

In 6 hours, you can reach Lisbon, Porto, Vila Nova de Gaia.

In 7 hours, you can reach Amadora, Braga, Queluz, Cacém.

In 8 hours, you can reach Setúbal, Évora, Rio de Mouro.