Your Route From Brentwood CM15 to Cardigan SA43
Route Summary
279 mi
5 hours 7 mins
12
53 Miles
65 Minutes
Recommended travel books and guides
Lonely Planet Best Road Trips Great Britain
AA Easy Read Britain 2026 flexi bound
Where to Go When Great Britain and Ireland
Grand Adventure Map: The ultimate map for travels around the UK
2026 Philip's Big Easy to Read Britain Road Atlas
The Great British Bucket List: Utterly Unmissable Britain
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Route Map
Service Areas Along Route
South Weald services
Brook Street, Brentwood, Essex, CM14 5NA
South Mimms
The Welcome Break, Welcome Break Service Station, Bignell's Corner, South Mimms, Potters Bar, Hertfordshire, EN6 3QQ
Reading
Reading Motorway Service Area, Burghfield, Reading, Berkshire, RG30 3UQ
Chieveley services
Moto Hospitality Ltd, Chieveley Motorway Services Area, Oxford Road, Hermitage, Thatcham, Berkshire, RG18 9XX
Membury
Welcome Break, M4 Services, Membury Motorway Services Area, Lambourn, Hungerford, Berkshire, RG17 7TZ
Leigh Delamere
Granada Hospitality Ltd, Leigh Delamere Motorway Services Area, M4, Leigh Delamere, Chippenham, Wiltshire, SN14 6LB
Magor
Magor Motorway Services Area, M4, Magor, Caldicot, Monmouthshire, NP26 3YL
Cardiff Gate
Welcome Break Services, Malthouse Avenue, Cardiff Gate Business Park, Pontprennau, Cardiff, South Glamorgan, CF23 8RA
Cardiff West
Moto Services, Cardiff West Motorway Services Area, M4, Pontyclun, Mid Glamorgan, CF72 8SA
Sarn Park
Sarn Park Motorway Services, Sarn Park Motorway Services Area, M4, Sarn, Bridgend, CF32 9SY
Swansea West
M O T O, Swansea West Services, M4 Junction 47, Penllergaer, Swansea, West Glamorgan, SA4 9GT
Pont Abraham
Road Chef Ltd, Pont Abraham Services, M4 Junction 49, Llanedi, Pontarddulais, Swansea, SA4 0FU
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Zacro Car Bin with 5 Garbage Bags
Car Breakdown Emergency Kit
HOTOR Car Boot Organiser
Car Seat Organiser
iZEEKER 2.5K Dash Cam, 1440P QHD Car Camera
LISEN Retractable Car Phone Charger
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Step-by-Step Directions
Head east on Apple Tree Cres towards Apple Tree Cl
0.0
Turn left onto Doddinghurst Rd
3.0
At the roundabout, take the 1st exit onto Ongar Rd/
0.0
Turn right onto Western Ave
0.5
At the roundabout, take the 1st exit onto Weald Rd
0.0
Turn right onto High St/
1.75
South Weald services Brook Street, Brentwood, Essex, CM14 5NA
At the roundabout, take the 3rd exit onto the M25 slip road to M11/
0.5
Take the slip road onto M25
50.25
South Mimms The Welcome Break, Welcome Break Service Station, Bignell's Corner, South Mimms, Potters Bar, Hertfordshire, EN6 3QQ
At junction 15, exit onto M4 towards Slough
8.0
Keep right to stay on M4
172.0
Reading Reading Motorway Service Area, Burghfield, Reading, Berkshire, RG30 3UQ
Chieveley services Moto Hospitality Ltd, Chieveley Motorway Services Area, Oxford Road, Hermitage, Thatcham, Berkshire, RG18 9XX
Membury Welcome Break, M4 Services, Membury Motorway Services Area, Lambourn, Hungerford, Berkshire, RG17 7TZ
Leigh Delamere Granada Hospitality Ltd, Leigh Delamere Motorway Services Area, M4, Leigh Delamere, Chippenham, Wiltshire, SN14 6LB
Magor Magor Motorway Services Area, M4, Magor, Caldicot, Monmouthshire, NP26 3YL
Cardiff Gate Welcome Break Services, Malthouse Avenue, Cardiff Gate Business Park, Pontprennau, Cardiff, South Glamorgan, CF23 8RA
Cardiff West Moto Services, Cardiff West Motorway Services Area, M4, Pontyclun, Mid Glamorgan, CF72 8SA
Sarn Park Sarn Park Motorway Services, Sarn Park Motorway Services Area, M4, Sarn, Bridgend, CF32 9SY
Swansea West M O T O, Swansea West Services, M4 Junction 47, Penllergaer, Swansea, West Glamorgan, SA4 9GT
Pont Abraham Road Chef Ltd, Pont Abraham Services, M4 Junction 49, Llanedi, Pontarddulais, Swansea, SA4 0FU
At the roundabout, take the 2nd exit onto A48
3.75
At Cross Hands Roundabout, take the 3rd exit and stay on A48
11.0
At Pensarn Roundabout, take the 2nd exit onto A40
0.5
At the roundabout, take the 1st exit and stay on A40
3.25
Turn right onto B4298
0.25
Turn right to stay on B4298
4.25
Slight right
0.75
Turn right
0.0
Last minute travel essentials
Travel Pillow Neck Pillow Memory Foam Travel Pillow
Hiluckey Power Bank Portable Charger - 22.5W Fast Charging
Teskyer Electronics Accessories Organiser Bag, Waterproof
Mini Travel Pillow, Soft Down Alternative Pillows
Rainberg Microfiber towel (180x90cm), Fast Drying
Pill Organizer,Pill Dispenser With 7 Large Compartments
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Turn left
1.0
Turn left
0.5
Turn right
3.0
Turn right
5.25
Continue straight
2.5
Turn right
0.25
Turn left
1.0
Turn left onto B4332
0.0
Turn right
1.25
Turn right onto A478
1.75
Turn left towards A478
0.0
Turn right towards A478
0.0
Turn left onto A478
2.0
At the roundabout, take the 2nd exit onto B4546
0.25
Continue onto Castle St
0.0
Castle St turns left and becomes Bridge St
0.0
Continue onto High St
0.25
Continue onto Pendre
0.0
Arrive at your destination
Don't forget in-car food and drink essentials
SUNWILL Metal Water Bottle Stainless Steel 500ml
BeneLabel Snack Box, Stackable Snack Pot 4 Compartments
Sistema KLIP IT PLUS Leakproof Food Storage Containers
Super Sparrow Water Bottle Stainless Steel - Insulated
HASAGEI Travel Mug, Insulated Coffee Cup with Leakproof Lid
Travel Mugs,KETIEE 380ml Insulated Coffee Cup with Leakproof Lid
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