South Marston is located in the county of Wiltshire, South West England, three miles south of the town of Highworth, three miles north-east of the major town of Swindon, 63 miles east of Cardiff, and 69 miles west of London. South Marston lies roughly one mile south-west of the Oxfordshire border. South Marston falls within the unitary authority of Swindon. It is in the SN3 postcode district. The post town for South Marston is Swindon.
South Marston is in the ceremonial county of Wiltshire, the historic county of Wiltshire, and the administrative county of Swindon.
South Marston is situated towards the northernmost extremity of Wiltshire, and towards the easternmost extremity of Wiltshire.
The nearest postcode to the centre of South Marston is SN3 4RY.
South Marston is situated towards the northernmost extremity of the SN3 postcode district, and roughly centrally between the easternmost and westernmost extremities of the SN3 postcode district.
Postal Boundaries © GEOLYTIX copyright and database right 2012
The post town for South Marston is Swindon. South Marston is in the SN3 postcode district, which corresponds to the post town of Swindon.
The centre of South Marston is located at position 51.58769° latitude and -1.72528° longitude.
The centre of South Marston is located at the grid reference easting 419130 and northing 187684 within the British National Grid (OSGB36) system.
Position of South Marston relative to nearby towns. Distance is measured from the centre of South Marston to the centre of the town.
Position of South Marston relative to nearby cities. Distance is measured from the centre of South Marston to the centre of the city.