Your Route From Dunstable LU5 to Milford Haven SA73
Route Summary
271 mi
4 hours 45 mins
10
64 Miles
69 Minutes
Recommended travel books and guides
2026 Philip's Big Easy to Read Britain Road Atlas
Grand Adventure Map: The ultimate map for travels around the UK
Great British Walkies: 100 brilliant dog walks
The Great British Bucket List: Utterly Unmissable Britain
52 Great British Weekends: A Year of Mini Adventures
Where to Go When Great Britain and Ireland
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Route Map
Service Areas Along Route
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
iZEEKER 2.5K Dash Cam, 1440P QHD Car Camera
HOTOR Car Boot Organiser
Zacro Car Bin with 5 Garbage Bags
AA Euro Travel Kit AA6318
Car Breakdown Emergency Kit
Lewis-Plast Premium 92 Piece First Aid Kit
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Step-by-Step Directions
Head south-east on Boater Dr
0.0
Turn left to stay on Boater Dr
0.0
At the roundabout, take the 1st exit onto Trilby Wy
0.5
Continue onto Trilby Wy
0.0
Turn right onto W Highland Dr
0.25
At the roundabout, take the 3rd exit onto Thorn Rd
0.25
At the roundabout, take the 1st exit onto Bedford Rd/
0.5
At the roundabout, take the 3rd exit onto Dunstable Northern Byp/
1.75
At Chalton Roundabout, take the 2nd exit onto the M1 slip road to London/
0.25
Slight left to merge onto M1
15.0
At junction 6A, take the M25 exit to M40/
0.75
Take the slip road onto M25
18.75
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
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Hiluckey Power Bank Portable Charger - 22.5W Fast Charging
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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 2nd exit onto Freemens Way/
1.25
At Merlins Bridge Roundabout, take the 2nd exit onto Dredgeman Hill/
3.0
At Sunnycroft, take the 2nd exit onto Milford Rd/
3.0
Turn right onto Hamilton Terrace/
0.5
Turn left onto Nelson Quay
0.0
Arrive at your destination
Don't forget in-car food and drink essentials
HASAGEI Travel Mug, Insulated Coffee Cup with Leakproof Lid
SUNWILL Metal Water Bottle Stainless Steel 500ml
Travel Mugs,KETIEE 380ml Insulated Coffee Cup with Leakproof Lid
Sistema KLIP IT PLUS Leakproof Food Storage Containers
Super Sparrow Water Bottle Stainless Steel - Insulated
Volhoply 14oz Insulated Stainless Steel Coffee Mug
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