There are 3 ways to get from Cardiff to Harwell by train, bus, or car
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Cardiff to Harwell by train and bus
Comparing Your Travel Options
The cheapest way to get from Cardiff to Harwell is to bus which costs £22 - £40 and takes 2h 33m.
The fastest way to get from Cardiff to Harwell is to train which takes 1h 50m and costs £35 - £75.
No, there is no direct bus from Cardiff to Harwell. However, there are services departing from Sophia Gardens and arriving at High Street via Parkway Station. The journey, including transfers, takes approximately 2h 33m.
No, there is no direct train from Cardiff to Harwell. However, there are services departing from Cardiff Central and arriving at Didcot Parkway via Swindon. The journey, including transfers, takes approximately 1h 50m.
The distance between Cardiff and Harwell is 96 miles. The road distance is 95.2 miles.
The best way to get from Cardiff to Harwell without a car is to train which takes 1h 50m and costs £35 - £75.
It takes approximately 1h 50m to get from Cardiff to Harwell, including transfers.
Cardiff to Harwell bus services, operated by National Express, depart from Sophia Gardens station.
Cardiff to Harwell train services, operated by Great Western Railway (GWR), depart from Cardiff Central station.
The best way to get from Cardiff to Harwell is to train which takes 1h 50m and costs £35 - £75. Alternatively, you can bus, which costs £22 - £40 and takes 2h 33m.
What companies run services between Cardiff, Wales and Harwell, Oxfordshire, England?
Great Western Railway (GWR) operates a train from Cardiff Central to Swindon hourly. Tickets cost £28–55 and the journey takes 57 min. Alternatively, National Express operates a bus from Sophia Gardens to Fleming Way twice a week. Tickets cost £11–19 and the journey takes 1h 40m.
- Phone
- +44 (0)345 7000 125
- gwr.feedback@gwr.com
- Website
- Great Western Railway (GWR)
Train from Cardiff Central to Swindon
- Ave. Duration
- 57 min
- Frequency
- Hourly
- Estimated price
- £28–55
- Website
- Great Western Railway (GWR)
- Phone
- +44 (0)3717 81 81 81
- Website
- National Express
Bus from Sophia Gardens to Fleming Way
- Ave. Duration
- 1h 40m
- Frequency
- Twice a week
- Estimated price
- £11–19
- Website
- National Express
Want to know more about travelling around United Kingdom
Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.
Related travel guides
Travelling to the UK: What do I need to know?
Read the travel guide
Booking & Getting There
Cardiff to Harwell bus services, operated by National Express, arrive at Fleming Way station.
Cardiff to Harwell train services, operated by Great Western Railway (GWR), arrive at Swindon station.
Yes, the driving distance between Cardiff to Harwell is 95 miles. It takes approximately 1h 56m to drive from Cardiff to Harwell.
There are 1229+ hotels available in Harwell.










