Your Route From Basingstoke RG21 to Tenby SA70
Route Summary
201 mi
3 hours 42 mins
9
40 Miles
50 Minutes
Recommended travel books and guides
Where to Go When Great Britain and Ireland
The Great British Bucket List: Utterly Unmissable Britain
52 Great British Weekends: A Year of Mini Adventures
AA Easy Read Britain 2026 flexi bound
2026 Philip's Big Easy to Read Britain Road Atlas
Lonely Planet Best Road Trips Great Britain
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Route Map
Service Areas Along Route
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
AA Euro Travel Kit AA6318
HOTOR Car Boot Organiser
LISEN Retractable Car Phone Charger
iZEEKER 2.5K Dash Cam, 1440P QHD Car Camera
Lewis-Plast Premium 92 Piece First Aid Kit
Zacro Car Bin with 5 Garbage Bags
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Step-by-Step Directions
Head west towards Joices Yard
0.0
Turn left onto Joices Yard
0.0
Turn left to stay on Joices Yard
0.0
Turn right onto New St
0.0
At the roundabout, take the 1st exit onto Timberlake Rd
0.25
At Victory Roundabout, take the 1st exit onto Churchill Way W/
0.75
At Thornycroft Roundabout, take the 3rd exit onto Ringway W/
0.75
At the roundabout, take the 1st exit onto A339
0.5
At Roman Rd Roundabout, take the 2nd exit onto Kingsclere Rd/
6.75
At the roundabout, take the 2nd exit onto Newbury Rd/
3.25
At the roundabout, take the 1st exit and stay on A339
0.25
At the roundabout, take the 1st exit and stay on A339
0.25
At the roundabout, take the 2nd exit onto Second St W/
1.5
At Swan Roundabout, take the 2nd exit onto Newtown Rd/
0.75
At the roundabout, take the 2nd exit onto A339
0.75
At the roundabout, take the 2nd exit onto Greenham Rd/
0.25
At the roundabout, take the 1st exit and stay on A339
0.5
Keep right to continue on Western Ave/
0.75
Last minute travel essentials
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Hiluckey Power Bank Portable Charger - 22.5W Fast Charging
Rainberg Microfiber towel (180x90cm), Fast Drying
Teskyer Electronics Accessories Organiser Bag, Waterproof
Travel Pillow Neck Pillow Memory Foam Travel Pillow
NTONPOWER Travel Extension Lead, travel Essentials
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At the roundabout, take the 2nd exit onto A339
1.5
Keep left to stay on A339
0.5
Take the slip road to Chieveley
0.5
Chieveley services Moto Hospitality Ltd, Chieveley Motorway Services Area, Oxford Road, Hermitage, Thatcham, Berkshire, RG18 9XX
At the roundabout, take the 1st exit onto the M4 slip road to S Wales/
0.25
Merge onto M4
139.5
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
8.75
At the roundabout, take the 1st exit onto A477
11.75
At the roundabout, take the 1st exit onto A478
3.0
At the roundabout, take the 2nd exit
0.0
Continue onto Narberth Rd/
1.25
At the roundabout, take the 3rd exit onto Serpentine Rd/
0.5
Continue straight onto Heywood Ln/
0.0
At the roundabout, take the 1st exit onto Greenhill Rd/
0.25
Turn right onto Warren St
0.0
Turn right onto Harding St
0.0
Turn right
0.0
Arrive at your destination
Don't forget in-car food and drink essentials
Super Sparrow Water Bottle Stainless Steel - Insulated
Thermos - Stainless King Red Travel Flask (1.2L)
BeneLabel Snack Box, Stackable Snack Pot 4 Compartments
Volhoply 14oz Insulated Stainless Steel Coffee Mug
SUNWILL Metal Water Bottle Stainless Steel 500ml
HASAGEI Travel Mug, Insulated Coffee Cup with Leakproof Lid
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