Long Marston is located in the county of Hertfordshire, Eastern England, three miles north-west of the town of Tring, 11 miles north-west of the major town of Hemel Hempstead, and 33 miles north-west of London. Long Marston lies just east of the Buckinghamshire border. Long Marston falls within the district council of Dacorum, under the county council of Hertfordshire. It is in the HP23 postcode district. The post town for Long Marston is Tring.
Long Marston is in the ceremonial county of Hertfordshire, the historic county of Hertfordshire, and the administrative county of Hertfordshire.
Long Marston is situated roughly centrally between the southernmost and northernmost extremities of Hertfordshire, and towards the westernmost extremity of Hertfordshire.
The nearest postcode to the centre of Long Marston is HP23 4RL.
Long Marston is situated towards the northernmost extremity of the HP23 postcode district, and towards the westernmost extremity of the HP23 postcode district.
Postal Boundaries © GEOLYTIX copyright and database right 2012
The post town for Long Marston is Tring. Long Marston is in the HP23 postcode district, which corresponds to the post town of Tring.
The centre of Long Marston is located at position 51.83192° latitude and -0.69795° longitude.
The centre of Long Marston is located at the grid reference easting 489818 and northing 215614 within the British National Grid (OSGB36) system.
Position of Long Marston relative to nearby towns. Distance is measured from the centre of Long Marston to the centre of the town.
Position of Long Marston relative to nearby cities. Distance is measured from the centre of Long Marston to the centre of the city.