nsw
New South Wales has the longest
California
No state has both. Alaska has the longest State Border with Canada. Florida has the longest Atlantic shoreline.
The state on the west coast of the United States with the longest coastline is California. California borders on the Pacific Ocean.
California
South Australia :)
approximately 47 miles 53 metres 17 cm and 4 mm and 1mmm
on the north New York & on the south Maryland
Alaska. Oregon in the contiguous US.
National borders of WHAT country.
Alaska borders on the Canadian province of British Columbia and the Canadian territory of Yukon.
Australia's borders are protected by the Australian Customs and Border Protection Service. You can find this information and much more about the Australian government online on their website.