Caernarfon
Caernarfon
Cardiff
Cardiff
Train Driving

Caernarfon to Cardiff

Updated: 28 May 2026

The journey from Caernarfon to the capital city of Cardiff is approximately 250 km. You can travel by train from Bangor or drive along the A470. Cardiff is famous for its castle, stadium, and vibrant waterfront. The route is very scenic, taking you through the heart of the Snowdonia National Park. It is a popular destination for culture and sports lovers.

Total Distance: 250 km driving distance, 200 km straight-line air distance.
Fastest Way
Driving, taking approximately 4 hours.
Cheapest Way
Train, if booked in advance, costing around 50 GBP.
Compare Caernarfon to Cardiff Routes
Train
Connecting
Driving
Direct
Duration 4 hours 30 mins 4 hours
Avg Price 50-80 GBP 35-50 GBP fuel
Operator Transport for Wales Personal Vehicle
Route Bangor to Cardiff Central. A470.
Tip The train ride is very scenic. The A470 is a beautiful but winding road.
Travel Tips
  • Museum Tickets
    Many museums in Cardiff are free, but some exhibitions require tickets.
  • Parking
    Use the car parks near the city centre for easy access.
  • Walking
    Cardiff is a very walkable city; wear comfortable shoes.
  • Train Tickets
    Book your train tickets in advance to get the best prices.
  • Weather
    Cardiff can be rainy; bring an umbrella.
Safety Tips
  • City Safety
    Cardiff is generally safe, but be aware of your surroundings in busy areas.
  • Driving
    Be careful of pedestrians in the busy city centre.
  • Emergency
    Dial 999 for any emergency services.
  • Sun Safety
    Use sunscreen even on cloudy days.
People Also Ask
  • Is there a direct train to Cardiff?
    Yes, there are direct trains from Bangor to Cardiff Central.
  • How long is the drive?
    The drive takes about 4 hours via the A470.
  • Can I take a dog to the castle?
    Yes, dogs are allowed in the castle grounds on a lead.
  • Is Cardiff expensive?
    It is reasonably priced for a UK city.
  • Are there hotels in Cardiff?
    Yes, there are many hotels and B&Bs.
Quick Info
  • From Caernarfon, Wales, United Kingdom
  • To Cardiff, Cardiff, United Kingdom
  • Modes
Best Time to Travel

Spring and autumn for city sightseeing.

Things to Do in Cardiff
1
Cardiff Castle
Explore this historic castle located in the heart of the city.
2
Principality Stadium
Visit the home of Welsh rugby.
3
Cardiff Bay
Explore this vibrant waterfront area featuring restaurants and attractions.
4
National Museum Cardiff
Explore this major museum featuring art and history collections.
Tags
Caernarfon to Cardiff train to Cardiff driving to Cardiff Wales travel Cardiff Castle Caernarfon transport best way to Cardiff South Wales travel