What is the travel distance from Carmarthen to Johnston?

It's about 49 km (31 miles) from Carmarthen to Johnston.

Bus from Carmarthen to Johnston starting at $8 | Compare & Save up to 48%

Next bus departures

Next departures for Carmarthen to Johnston on November 18
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	5:45pm	Lammas Street, outside the Boar’s Head	1h 23m	7:08pm	Johnston Bus Stop (opp Railway Inn)	Cheapest
Bus	5:00pm	Lammas Street, outside the Boar’s Head	1h 18m	6:18pm	Johnston Bus Stop (opp Railway Inn)	Fastest
Bus	5:00pm	Lammas Street, outside the Boar’s Head	1h 18m	6:18pm	Johnston Bus Stop (opp Railway Inn)	No tags
Bus	5:45pm	Lammas Street, outside the Boar’s Head	1h 23m	7:08pm	Johnston Bus Stop (opp Railway Inn)	No tags

Last refresh of the prices: Today at 7:04 AM GMT.

Get from Carmarthen to Johnston

This route is served by bus only

The journey takes about 1 hour 18 minutes, and with fares starting at just $11, it presents an excellent value for a comfortable ride.

2bus per day

1h 18mAverage Duration

49 kmDistance

1kgCO₂ emissions

Compare bus companies

National Express

4/529,712 reviews

Staff4.7

Timeliness4

Cleanliness4.7

Wifi3.4

Based on 29712 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 $11

GB Bus Companies: FlixBus, BlaBlaCar Bus, ALSA, Greyhound, Intercape, Trenitalia, Sindbad

Frequently asked questions about travelling from Carmarthen to Johnston by bus

What is the travel distance from Carmarthen to Johnston?
It's about 49 km (31 miles) from Carmarthen to Johnston.

Find cheapest prices for buses

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

Best price found

11-15

$8

11-16

$8

Today

No data

11-18

$8

11-19

No data

11-20

No data

11-21

No data

11-22

No data

The cheapest trip from Carmarthen to Johnston was searched and found on Nov 15, 2025 with a price of $8

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

You can expect to pay from $8 to $15 for a bus ticket from Carmarthen to Johnston based on the last 2 days. You can expect to find the cheapest price for the trip at $8 which is on 2025-11-18.