Dorchester is located in the county of Oxfordshire, South East England, three miles north-west of the town of Wallingford, eight miles south-east of the major city of Oxford, and 46 miles west of London. Dorchester lies seven miles north of the Berkshire border. Dorchester falls within the district council of South Oxfordshire, under the county council of Oxfordshire. It is in the OX10 postcode district. The post town for Dorchester is Wallingford.
Dorchester is in the ceremonial county of Oxfordshire, the historic county of Oxfordshire, and the administrative county of Oxfordshire.
Dorchester 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 Dorchester is OX10 7HH.
Dorchester is situated towards the northernmost extremity of the OX10 postcode district, and towards the westernmost extremity of the OX10 postcode district.
Postal Boundaries © GEOLYTIX copyright and database right 2012
The post town for Dorchester is Wallingford. Dorchester is in the OX10 postcode district, which corresponds to the post town of Wallingford.
The centre of Dorchester is located at position 51.64412° latitude and -1.16577° longitude.
The centre of Dorchester is located at the grid reference easting 457821 and northing 194254 within the British National Grid (OSGB36) system.
Position of Dorchester relative to nearby towns. Distance is measured from the centre of Dorchester to the centre of the town.
Position of Dorchester relative to nearby cities. Distance is measured from the centre of Dorchester to the centre of the city.