It is a suburban development situated 13.6 miles ( 21.8 km ) east of Charing Cross .
South Hornchurch is a place in the London Borough of Havering , east London .
South Hornchurch is a suburban development situated 13.6 miles ( 21.8 km ) east of Charing Cross .
South Hornchurch is a place in the London Borough of Havering , east London .