Original sentence: However, this settlement was abandoned after one year and the colony was moved to a site on the Brisbane River now known as North Quay,  south, that offered a more reliable water supply.Oxley discovered, named and sailed up the Brisbane River as far as Goodna, some  upstream from the Brisbane central business district
Edited sentence: However, this settlement was abandoned after one year and the colony was moved to a site on the Brisbane River now known as North Quay, 28 km south, that offered a more reliable water supply.Oxley discovered, named and sailed up the Brisbane River as far as Goodna, some 20 km upstream from the Brisbane central business district