New South Wales (Australia) is 2.5 times larger than New Mexico (USA).
New South Wales (abbreviated as NSW), is Australia's most populous state, and is located in the south-east of the country, north of Victoria, south of Queensland, east of South Australia, west of Jervis Bay Territory and encompasses the whole of the Australian Capital Territory. Wikipedia
New Mexico is a state located in the southwest and western regions of the United States. It is usually considered one of the Mountain States. New Mexico is the 5th most extensive, the 36th most populous, and the 6th least densely populated of the 50 United States. Wikipedia