Wondering how to spend one day in Coimbra Portugal? I’ve got you covered. This 1 day in Coimbra itinerary covers all the top attractions and best things to do and see in beautiful Coimbra. Dating from the 9th century, Coimbra is a surefire charmer with no end to its embarrassment of riches. The city is one of the best day trips from Porto and also makes the perfect midway stop between Lisbon and Porto. Read on for how to spend one day in Coimbra, along with must know tips for visiting.