There are 4 ways to get from Boston to Carmarthen by train or car
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Train via London
best- Take the train from Boston to Granthamtrain
- Take the train from Grantham to King's Crosstrain
- Take the train from London Paddington to Swanseatrain
- Take the train from Swansea to Carmarthentrain
7h 1m£122–247Drive 226.5 mi
cheapest- Drive from Boston to Carmarthencar 226.5 mi
4h 58m£57–83Train
- Take the train from Boston to Nottinghamtrain
- Take the train from Nottingham to Newport (S Wales)train
- Take the train from Newport (S Wales) to Carmarthentrain
8h 20m£120–206Train #2
- Take the train from Boston to Nottinghamtrain
- Take the train from Nottingham to Birmingham New Streettrain
- Take the train from Birmingham New Street to Herefordtrain
- Take the train from Hereford to Carmarthentrain
9h 20m£106–191
Boston to Carmarthen by train and subway
Comparing Your Travel Options
The cheapest way to get from Boston to Carmarthen is to drive which costs £55 - £85 and takes 4h 58m.
The fastest way to get from Boston to Carmarthen is to drive which takes 4h 58m and costs £55 - £85.
No, there is no direct train from Boston to Carmarthen. However, there are services departing from Boston and arriving at Carmarthen via Grantham, King's Cross St. Pancras station, London Paddington and Swansea. The journey, including transfers, takes approximately 7h 1m.
The distance between Boston and Carmarthen is 365 miles. The road distance is 227.8 miles.
The best way to get from Boston to Carmarthen without a car is to train via London which takes 7h 1m and costs £120 - £250.
It takes approximately 7h 1m to get from Boston to Carmarthen, including transfers.
Boston to Carmarthen train services, operated by East Midlands Railways, depart from Boston station.
Boston to Carmarthen train services, operated by East Midlands Railways, arrive at Grantham station.
Yes, the driving distance between Boston to Carmarthen is 228 miles. It takes approximately 4h 58m to drive from Boston to Carmarthen.
Book your Boston to Carmarthen train tickets online with Omio.
What companies run services between Boston, England and Carmarthen, Wales?
You can take a train from Boston to Carmarthen via Grantham, London Kings Cross, King's Cross St. Pancras station, Paddington, London Paddington, and Swansea in around 7h 1m.
- Phone
- 03457 125 678
- Website
- East Midlands Railways
Train from Boston to Grantham
- Ave. Duration
- 50 min
- Frequency
- Hourly
- Estimated price
- £15–22
- Website
- East Midlands Railways
Train from Boston to Nottingham
- Ave. Duration
- 1h 33m
- Frequency
- Hourly
- Estimated price
- £25–40
- Website
- East Midlands Railways
Train from Boston to Nottingham
- Ave. Duration
- 1h 33m
- Frequency
- Hourly
- Estimated price
- £25–40
- Website
- East Midlands Railways
Train from Grantham to King's Cross
- Ave. Duration
- 1h 7m
- Frequency
- Every 30 minutes
- Estimated price
- £35–50
- Website
- London North Eastern Railway Limited (LNER)
- Phone
- +44 345 071 0222
- Website
- Hull Trains
Train from Grantham to King's Cross
- Ave. Duration
- 1h 8m
- Frequency
- 5 times a day
- Estimated price
- £20–29
- Website
- Hull Trains
- Phone
- +44 (0)345 7000 125
- [email protected]
- Website
- Great Western Railway (GWR)
Train from London Paddington to Swansea
- Ave. Duration
- 2h 49m
- Frequency
- Hourly
- Estimated price
- £75–150
- Website
- Great Western Railway (GWR)
Train from Swansea to Carmarthen
- Ave. Duration
- 45 min
- Frequency
- Every 4 hours
- Estimated price
- £13–24
- Website
- Great Western Railway (GWR)
Train from Newport (S Wales) to Carmarthen
- Ave. Duration
- 2h 4m
- Frequency
- Every 4 hours
- Estimated price
- £35–70
- Website
- Great Western Railway (GWR)
- Phone
- 03333 211 202
- Website
- Transport for Wales
Train from Swansea to Carmarthen
- Ave. Duration
- 46 min
- Frequency
- Hourly
- Estimated price
- £10–17
- Website
- Transport for Wales
Train from Newport (S Wales) to Carmarthen
- Ave. Duration
- 2h 6m
- Frequency
- Every 2 hours
- Estimated price
- £29–50
- Website
- Transport for Wales
Train from Hereford to Carmarthen
- Ave. Duration
- 2h 48m
- Frequency
- Every 4 hours
- Estimated price
- £40–70
- Website
- Transport for Wales
- Phone
- +44 3447 369 123
- [email protected]
- Website
- Cross Country
Train from Nottingham to Newport (S Wales)
- Ave. Duration
- 3h 3m
- Frequency
- Every 2 hours
- Estimated price
- £65–100
- Website
- Cross Country
Train from Nottingham to Birmingham New Street
- Ave. Duration
- 1h 14m
- Frequency
- Hourly
- Estimated price
- £24–40
- Website
- Cross Country
- Phone
- +44 333 311 0039
- [email protected]
- Website
- West Midlands Trains
Train from Birmingham New Street to Hereford
- Ave. Duration
- 1h 27m
- Frequency
- Hourly
- Estimated price
- £16–45
- Website
- West Midlands Trains
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