Siddington is located in the county of Gloucestershire, South West England, two miles south-east of the town of Cirencester, 12 miles north-west of the major town of Swindon, 55 miles east of Cardiff, and 79 miles west of London. Siddington lies two miles north of the Wiltshire border. Siddington falls within the district council of Cotswold, under the county council of Gloucestershire. It is in the GL7 postcode district.
Siddington is in the ceremonial county of Gloucestershire, the historic county of Gloucestershire, and the administrative county of Gloucestershire.
Siddington is situated roughly centrally between the southernmost and northernmost extremities of Gloucestershire, and towards the easternmost extremity of Gloucestershire.
The nearest postcode to the centre of Siddington is GL7 6JL.
Siddington is situated towards the southernmost extremity of the GL7 postcode district, and towards the westernmost extremity of the GL7 postcode district.
The centre of Siddington is located at position 51.69633° latitude and -1.95206° longitude.
The centre of Siddington is located at the grid reference easting 403410 and northing 199733 within the British National Grid (OSGB36) system.
Position of Siddington relative to nearby towns. Distance is measured from the centre of Siddington to the centre of the town.
Position of Siddington relative to nearby cities. Distance is measured from the centre of Siddington to the centre of the city.