U.K. and Ireland - Heathrow car rental return

I am dropping a car off at Hertz at Heathrow and need to get to my hotel (Marriott). Anyone know the best way to do this?

As both threads on this topic have been moved to UK & Ireland, I'm locking this one to keep the responses in one place.

Please note that cross-posting of topics is not allowed.

stut
Moderator
UK & Ireland