Carmarthen to The O2 Arena Trains

Carmarthen to The O2 Arena trains

Travel from

Search accommodation with Expedia

Trip Overview

The average train between Carmarthen and The O2 Arena takes 4h 26m and the fastest train takes 4h 14m. The train service runs several times per day from Carmarthen to The O2 Arena. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

4h 26m
Duration: 231 mi
Distance: £116
Average price: Every 4 hours
Frequency

Train

best

Take the train from Carmarthen to London Paddingtontrain Carmarthen - London Paddington

4h 21m

£99–171

Carmarthen to The O2 Arena train times

Trains run every 4 hours between Carmarthen and The O2 Arena. The earliest departure is at 7:23 AM in the morning, and the last departure from Carmarthen is at 7:20 PM which arrives into The O2 Arena at 12:02 AM. All services require a transfer at London Paddington and take an average of 4h 26m. The schedules shown below are for the next available departures.

Departing Saturday, October 31, 2026

5:30 PM → 9:46 PM
4h 16m • 2 changes

Departing Sunday, November 1, 2026

11:25 AM → 3:44 PM
4h 19m • 2 changes
2:15 PM → 6:44 PM
4h 29m • 2 changes
4:30 PM → 8:44 PM
4h 14m • 2 changes
7:20 PM → 12:02 AM
Arrives next day
4h 42m • 2 changes

Departing Monday, November 2, 2026

7:23 AM → 11:56 AM
4h 33m • 2 changes
9:21 AM → 1:46 PM
4h 25m • 2 changes
11:27 AM → 3:49 PM
4h 22m • 2 changes
2:20 PM → 6:50 PM
4h 30m • 2 changes
Show more

Departing Tuesday, November 3, 2026

7:23 AM → 11:56 AM
4h 33m • 2 changes
9:21 AM → 1:46 PM
4h 25m • 2 changes
11:27 AM → 3:49 PM
4h 22m • 2 changes
2:20 PM → 6:50 PM
4h 30m • 2 changes
Show more

Departing Wednesday, November 4, 2026

7:23 AM → 11:56 AM
4h 33m • 2 changes
9:21 AM → 1:46 PM
4h 25m • 2 changes
11:27 AM → 3:49 PM
4h 22m • 2 changes
2:20 PM → 6:50 PM
4h 30m • 2 changes
Show more

Departing Thursday, November 5, 2026

7:23 AM → 11:56 AM
4h 33m • 2 changes
9:21 AM → 1:46 PM
4h 25m • 2 changes
11:27 AM → 3:49 PM
4h 22m • 2 changes
2:20 PM → 6:50 PM
4h 30m • 2 changes
Show more

Departing Friday, November 6, 2026

7:23 AM → 11:56 AM
4h 33m • 2 changes
9:21 AM → 1:46 PM
4h 25m • 2 changes
11:27 AM → 3:49 PM
4h 22m • 2 changes
2:20 PM → 6:50 PM
4h 30m • 2 changes
Show more

Frequently asked questions

Want to know about travelling from Carmarthen to The O2 Arena? 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.