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Cardiff to Hemel Hempstead trains

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Trip Overview

The average train between Cardiff and Hemel Hempstead takes 3h 5m and the fastest train takes 2h 56m. There is an hourly train service from Cardiff to Hemel Hempstead. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

3h 5m
Duration
167 mi
Distance
£83
Average price
Hourly
Frequency

Train

best
  1. Take the train from Cardiff Central to London Paddingtontrain train Swansea - London Paddington / ...
3h 2m
£71–126

Cardiff to Hemel Hempstead train times

Trains run hourly between Cardiff and Hemel Hempstead. The earliest departure is at 5:07 AM in the morning, and the last departure from Cardiff is at 9:20 PM which arrives into Hemel Hempstead at 2:09 AM. All services require a transfer at London Paddington and take an average of 3h 5m. The schedules shown below are for the next available departures.

Departing Friday, October 16, 2026

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains3h 2m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains3h 4m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains3h 6m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains3h 21m • 2 changes
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Departing Saturday, October 17, 2026

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains3h 4m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains3h • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains3h 2m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains3h 2m • 2 changes
  • Show more

Departing Sunday, October 18, 2026

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains3h 1m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains3h 6m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains3h 18m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains3h 3m • 2 changes
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Departing Monday, October 19, 2026

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains3h 23m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains3h 7m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains2h 56m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains3h 19m • 2 changes
  • Show more

Frequently asked questions

Want to know about travelling from Cardiff to Hemel Hempstead? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.

Map of how to get from Cardiff to Hemel Hempstead.ExpandLaunch map view
  • Distance: 167.2 mi
  • Duration: 3h 5m

What companies run services between Cardiff, Wales and Hemel Hempstead, England?

Great Western Railway (GWR) operates a train from Cardiff Central to London Paddington hourly. Tickets cost £60–110 and the journey takes 1h 54m.

Operators