Your Route From Amersham HP6 to Haverfordwest SA62
Route Summary
252 mi
4 hours 35 mins
11
60 Miles
79 Minutes
Recommended travel books and guides
52 Great British Weekends: A Year of Mini Adventures
The Great British Bucket List: Utterly Unmissable Britain
Where to Go When Great Britain and Ireland
2026 Philip's Big Easy to Read Britain Road Atlas
AA Easy Read Britain 2026 flexi bound
Lonely Planet Best Road Trips Great Britain
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Route Map
Service Areas Along Route
Beaconsfield
Beaconsfield Services, Windsor Road, Beaconsfield, Buckinghamshire, HP9 2SE
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
Recommended motoring accessories for your car
Car Breakdown Emergency Kit
Lewis-Plast Premium 92 Piece First Aid Kit
HOTOR Car Boot Organiser
Car Seat Organiser
Zacro Car Bin with 5 Garbage Bags
AA Euro Travel Kit AA6318
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Step-by-Step Directions
Head south on Hill Ave towards Hill Cres
0.0
At the roundabout, take the 2nd exit onto Station Approach
0.0
At the roundabout, take the 1st exit onto Station Rd/
0.75
At the roundabout, take the 2nd exit onto London Rd W/
0.25
At the roundabout, take the 1st exit onto Gore Hill/
0.25
At Gore Hill Roundabout, continue straight to stay on Gore Hill/
4.0
At the roundabout, take the 2nd exit onto Beaconsfield Eastern Relief Rd/
0.5
At the roundabout, take the 2nd exit onto Bowl Barrow Wy/
0.25
At the roundabout, take the 1st exit and stay on Bowl Barrow Wy/
0.0
At the roundabout, take the 2nd exit onto A355
0.5
At Beaconsfield Interchange, take the 3rd exit onto the M40 slip road to Birmingham/
0.5
Beaconsfield Beaconsfield Services, Windsor Road, Beaconsfield, Buckinghamshire, HP9 2SE
Merge onto M40
5.75
At junction 4, take the A404 exit to High Wycombe/
0.25
Slight left onto A404
4.25
At the roundabout, take the 3rd exit and stay on A404
3.0
Keep right to continue on A404(M), follow signs for Reading/
2.5
Turn left onto Holyport Interchange
0.0
Slight right to stay on Holyport Interchange
0.25
Take the exit onto M4
156.5
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
At junction 44, take the A48 exit to Swansea/
0.25
At Lon Las Interchange, take the 2nd exit onto B4625
0.25
Last minute travel essentials
Hiluckey Power Bank Portable Charger - 22.5W Fast Charging
BAGAIL Microfibre Travel Towel, Perfect Travel Towel
Pill Organizer,Pill Dispenser With 7 Large Compartments
NTONPOWER Travel Extension Lead, travel Essentials
Travel Pillow Neck Pillow Memory Foam Travel Pillow
Teskyer Electronics Accessories Organiser Bag, Waterproof
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At the roundabout, take the 2nd exit onto the M4 slip road to Carmarthen/
0.25
Merge onto M4
11.5
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
8.75
At the roundabout, take the 2nd exit and stay on A40
4.0
At Llanboidy Rd Roundabout, take the 2nd exit and stay on A40
1.5
At the roundabout, take the 2nd exit and stay on A40
2.25
At the roundabout, take the 2nd exit and stay on A40
2.5
At Penblewin Roundabout, take the 3rd exit and stay on A40
2.0
At Robeston Wathen Roundabout, take the 2nd exit and stay on A40
1.25
At Canaston Bridge Roundabout, take the 2nd exit and stay on A40
7.0
At Scotchwell Roundabout, take the 1st exit and stay on A40
0.25
At Salutation Square Roundabout, take the 3rd exit onto Cartlett Rd/
0.0
Slight right onto Cartlett Rd/
0.25
At Bridgend Square Roundabout, take the 1st exit onto A487
0.25
Turn right onto Thomas Parry Way/
0.25
At the roundabout, take the 1st exit and stay on Thomas Parry Way/
0.25
At the roundabout, take the 2nd exit onto St David's Rd/
14.75
Turn right onto Nun St/
0.0
Arrive at your destination
Don't forget in-car food and drink essentials
Travel Mugs,KETIEE 380ml Insulated Coffee Cup with Leakproof Lid
Super Sparrow Water Bottle Stainless Steel - Insulated
SUNWILL Metal Water Bottle Stainless Steel 500ml
Sistema KLIP IT PLUS Leakproof Food Storage Containers
BeneLabel Snack Box, Stackable Snack Pot 4 Compartments
Volhoply 14oz Insulated Stainless Steel Coffee Mug
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