From London Paddington train to Didcot, Parkway Station then bus to Harwell, High Street (opp Jenings Lane Shelter). 1 h 5 min £28. From Marylebone Station bus to Oxford City Centre, St Aldates (Stop H3) then bus to Harwell, High Street (opp Jenings Lane Shelter). 2 h 44 min £15. From London drive to Harwell. 1 h 16 min £11.
Bus or train from London to Harwell?
Great Western Railway operates a train from London to Harwell every 30 minutes. Tickets cost $29 - $55 and the journey takes 40 min. Thames Travel also services this route every 15 minutes. Alternatively, Oxford Bus Company operates a bus from London to Harwell every 15 minutes. Tickets cost $14 - $22 and the journey takes 1 h 30 min. 2 other operators also service this route.