What is the distance between Chepstow and Cardiff?

The distance covered from Chepstow to Cardiff is 40 km (25 miles).

Bus from Chepstow to Cardiff starting at $20 | Compare & Save up to 18%

Next bus departures

Next departures for Chepstow to Cardiff on November 20
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	10:40pm	Chepstow Bus Station	55m	11:35pm	Sophia Gardens	Cheapest
Bus	10:40pm	Chepstow Bus Station	40m	11:20pm	Cardiff (Gabalfa Interchange, o/s Roberts Optometrists)	Fastest
Bus	10:40pm	Chepstow Bus Station	55m	11:35pm	Sophia Gardens	No tags
Bus	10:40pm	Chepstow Bus Station	50m	11:30pm	Cardiff - Castle Street Bus Stop	No tags
Bus	10:40pm	Chepstow Bus Station	50m	11:30pm	Cardiff - Castle Street Bus Stop	No tags

Next departures for Chepstow to Cardiff on November 21
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	1:15pm	Chepstow Bus Station	55m	2:10pm	Sophia Gardens	Cheapest
Bus	1:15pm	Chepstow Bus Station	40m	1:55pm	Cardiff (Gabalfa Interchange, o/s Roberts Optometrists)	Fastest
Bus	1:15pm	Chepstow Bus Station	55m	2:10pm	Sophia Gardens	No tags
Bus	6:25pm	Chepstow Bus Station	1h 5m	7:30pm	Sophia Gardens	No tags
Bus	6:25pm	Chepstow Bus Station	1h 5m	7:30pm	Sophia Gardens	No tags

Last refresh of the prices: Yesterday at 7:30 AM GMT.

Compare 2 ways to go from Chepstow to Cardiff

We recommend taking the train

Among the sustainable travel choices, the train stands out as a good way to reach Cardiff. The journey takes about 38 minutes, and with fares starting at just $13, it presents an excellent value for a comfortable ride.

10train per day

38mAverage Duration

40 kmDistance

1kgCO₂ emissions

	Average Price	Average Duration	CO₂ emissions	Actions
Bus	Average Price$23 - $23	Average Duration50m	CO₂ emissions 1kg CO₂e
Train	Average Price$13 - $28	Average Duration38m	CO₂ emissions 1kg CO₂e

Compare bus companies

National Express

4/529,722 reviews

Staff4.7

Timeliness4

Cleanliness4.7

Wifi3.4

Based on 29722 reviews, the company was rated 4.2 stars on Busbud. Travellers were especially satisfied with the ticket access and the staff but often complained with the WiFi. National Express ticket prices on this trip start at $23

GB Bus Companies: FlixBus, BlaBlaCar Bus, ALSA, Greyhound, Intercape, Trenitalia, National Express

Frequently asked questions about travelling from Chepstow to Cardiff by bus

What is the distance between Chepstow and Cardiff?
The distance covered from Chepstow to Cardiff is 40 km (25 miles).

Find cheapest prices for buses

Price is for a one-way ticket for one passenger and based on past searches.

Best price found

11-18

$20

11-19

$20

Today

$20

11-21

$20

11-22

No data

11-23

$20

11-24

$20

11-25

$20

The cheapest trip from Chepstow to Cardiff was searched and found on Nov 21, 2025 with a price of $20

To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Chepstow to Cardiff, as early as possible.

You can expect to pay from $20 to $24 for a bus ticket from Chepstow to Cardiff based on the last 2 days. You can expect to find the cheapest price for the trip at $20 which is on 2025-11-21.