Charlton is located in the county of Hampshire, South East England, one mile north-west of the town of Andover, 18 miles west of the major town of Basingstoke, and 63 miles west of London. Charlton lies two miles east of the Wiltshire border. Charlton falls within the district council of Test Valley, under the county council of Hampshire. It is in the SP10 postcode district. The post town for Charlton is Andover.
Charlton is in the ceremonial county of Hampshire, the historic county of Hampshire, and the administrative county of Hampshire.
Charlton is situated towards the northernmost extremity of Hampshire, and roughly centrally between the easternmost and westernmost extremities of Hampshire.
The nearest postcode to the centre of Charlton is SP10 4AP.
Charlton is situated towards the northernmost extremity of the SP10 postcode district, and towards the westernmost extremity of the SP10 postcode district.
The post town for Charlton is Andover. Charlton is in the SP10 postcode district, which corresponds to the post town of Andover.
The centre of Charlton is located at position 51.22128° latitude and -1.49916° longitude.
The centre of Charlton is located at the grid reference easting 435074 and northing 147018 within the British National Grid (OSGB36) system.
Position of Charlton relative to nearby towns. Distance is measured from the centre of Charlton to the centre of the town.
Position of Charlton relative to nearby cities. Distance is measured from the centre of Charlton to the centre of the city.