Washington, Idaho, Nevada and California.
IT IS SAROUED by washing ton
Washington.
Washington, Nevada, Idaho and California border Oregon.
The state that border Washington (not Washington, DC) and Oregon to the east is the great state of Idaho.
Oregon
Washington borders Idaho to the east and and Oregon also borders Idaho to the east.
Idaho borders Washington and Oregon to the west.
Idaho borders Wyoming Oregon to the west.
The states that border Oregon are, California to the South, Washington State to the North and Idaho to the East.
That would be Oregon
Oregon, Idaho and British Columbia , Canada
Washington State borders two US States: to the south is Oregon, Idaho is to the east. The country of CANADA , specifically, the Provence of British Columbia is to the north and The Pacific Ocean is to the west.
Utah, Nevada, California, Washington, Idaho
California