and northern mainland China. Sister-twinning cities England and the United States Ashby-de-la-Zouch and Evans, Colorado Ashford and Hopewell, Virginia Barnet, London and Barnet, Vermont Barnet, London and Montclair, New Jersey Barnstaple and Barnstable, Massachusetts Belper and Pawtucket, Rhode Island Berwick-upon-Tweed and Berwick, Pennsylvania Billericay and Billerica, Massachusetts Billericay and Fishers, Indiana Birmingham and Chicago, Illinois Bodmin and Grass Valley, California Boston, Lincolnshire and Boston, Massachusetts Brentwood and Brentwood, Tennessee Burton upon Trent and Elkhart, Indiana Bury and Woodbury, New Jersey Calne and Caln Township, Pennsylvania Canterbury and Bloomington, Illinois Cheltenham and Cheltenham, Pennsylvania Chester and Lakewood, Colorado Cleveland, England, UK and Cleveland, Ohio Cornwall and Cornwall, New York County Durham and Durham County, North Carolina Coventry and Coventry, Connecticut Coventry and Coventry, New York Coventry and Coventry, Rhode Island Dalton-in-Furness and Dalton, Pennsylvania Doncaster and Wilmington, North Carolina Dover and Huber Heights, Ohio Durham and Durham, North Carolina Evesham and Evesham Township, New Jersey Fleetwood and Fleetwood, Pennsylvania Gravesend and Chesterfield, Virginia Hartlepool and Muskegon, Michigan Haverhill and Haverhill, Massachusetts Haworth and Haworth, New Jersey Hertford and Hartford, Connecticut Hinckley and Midland, Ohio Keighley and Myrtle Beach, South Carolina Kettering and Kettering, Ohio Kingston upon Hull and Raleigh, North Carolina Leeds, City of and Louisville, Kentucky Lincoln and Lincoln, Nebraska Lambeth, London and Brooklyn, New York London and New York City, New York Manchester and Los Angeles, California Mansfield and Mansfield, Massachusetts Mansfield and Mansfield, Ohio Middlesbrough and Middlesborough, Kentucky Newcastle upon Tyne and Atlanta, Georgia Newmarket and Lexington, Kentucky Norfolk and Norfolk, Virginia Northampton and Easton, Pennsylvania Northampton and Northampton, Pennsylvania Oakham and Dodgeville, Wisconsin Oxford and Oxford, Michigan Penzance and Nevada City, California Plymouth and Plymouth, Massachusetts Portsmouth and Portsmouth, New Hampshire Reading and Reading, Pennsylvania Redruth and Mineral Point, Wisconsin Richmond, London and Richmond, Virginia Rochester and Rochester, New York Rugeley and Western Springs, Illinois Runnymede and Herndon, Virginia Rye and Rye, New Hampshire Salisbury and Salisbury, Maryland Salisbury and Salisbury, North Carolina Sefton, Metropolitan Borough of and Fort Lauderdale, Florida Sheffield and Pittsburgh, Pennsylvania Shrewsbury and Shrewsbury, Massachusetts Southampton and Hampton, Virginia Stafford and Stafford County, Virginia Swindon and Chattanooga, Tennessee Southwark, London and Cambridge, Massachusetts Stourbridge and Sturbridge, Massachusetts Stratford-upon-Avon and Stratford, Connecticut Stroud and Stroud, Oklahoma Sunderland and Washington, D.C. Taunton and Taunton, Massachusetts Truro and Truro, Massachusetts Warrington and Lake County, Illinois Warwick and Warwick, New York Warwick and Warwick, Rhode Island Watford