Which service will you likely use?
An UberX car can pick you up in ~5 min.
Distance between Sintra and Park and National Palace of Pena is approx. 4.66 miles (7.5 km) with 13 min travel time.
This Uber estimate from Sintra to Park and National Palace of Pena
315 days ago.
Update the estimate to see the real-time fare prices with Uber in Sintra.