Washington and Oregon border the Columbia River.
Four. Florida, South Carolina, Washington State, and Rhode Island.
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.
Washington & Oregon.
Oregon, Washington and California border the Pacific Ocean.
BC borders only two US states-- Alaska and Washington State.
Washington and Oregon
Washington and Montana.
Idaho borders Washington and Oregon to the west.
Alaska and Hawaii are the only two states that do not border other US states.
Alaska and Hawaii are the only two states that do not border other US states.
Oregon and Washington