Northamptonshire is England 's shortest administrative county boundary at less than 20 meters ( more than 19 yards ) .
Covering an area of 2,364 square kilometres ( 913 sq mi ) , Northamptonshire is landlocked between eight other counties : Warwickshire to the west , Leicestershire and Rutland to the north , Cambridgeshire to the east , Bedfordshire to the south-east , Buckinghamshire to the south , Oxfordshire to the south-west and Lincolnshire to the north-east – England 's shortest administrative county boundary at 19 metres ( 20 yards ) .
Northamptonshire