Harwell is located in the county of Oxfordshire, South East England, two miles west of the town of Didcot, 11 miles south of the major city of Oxford, and 50 miles west of London. Harwell lies three miles north-west of the Berkshire border, and was historically in the county of Berkshire. Harwell falls within the district council of Vale of White Horse, under the county council of Oxfordshire. It is in the OX11 postcode district. The post town for Harwell is Didcot.
Harwell is in the ceremonial county of Oxfordshire, the historic county of Berkshire, and the administrative county of Oxfordshire.
Harwell is situated towards the southernmost extremity of Oxfordshire, and roughly centrally between the easternmost and westernmost extremities of Oxfordshire.
The nearest postcode to the centre of Harwell is OX11 0EX.
Harwell is situated towards the northernmost extremity of the OX11 postcode district, and towards the westernmost extremity of the OX11 postcode district.
Postal Boundaries © GEOLYTIX copyright and database right 2012
The post town for Harwell is Didcot. Harwell is in the OX11 postcode district, which corresponds to the post town of Didcot.
The centre of Harwell is located at position 51.59885° latitude and -1.29204° longitude.
The centre of Harwell is located at the grid reference easting 449133 and northing 189127 within the British National Grid (OSGB36) system.
Position of Harwell relative to nearby towns. Distance is measured from the centre of Harwell to the centre of the town.
Position of Harwell relative to nearby cities. Distance is measured from the centre of Harwell to the centre of the city.