Every state except for Hawai'i and Alaska is bordered by another state. Alaska is however bordered not by a state but by two Providences in Canada: Yukon Territory (east) and British Columbia (southeast). Hawai'i is not bordered by any state or providence.
All States within the contiguous United States are bordered by another state.
Maine.
Alaska is one of two US states not bordered by another state, Hawaii is the other. Alaska is bordered by Canada (by the Canadian provinces of Yukon Territory and British Columbia) to the east, and has a maritime border with Russia to the west.
Alaska and Hawaii share no borders with US States.
The state of Hawaii is not bordered by any state. It is bordered by the Pacific Ocean.
Idaho is bordered by Washington and Utah.
Delaware is bordered by Maryland, New Jersey, and Pennsylvania
No. It is bordered by 4 states.
Arkansas, Tennessee, and Virginia each bordered at least one Union border state.
Hawaii
The US state of Montana is bordered on the east by both North Dakota and South Dakota while the state of Minnesota is bordered on the west by both North Dakota and South Dakota.
Maine.
Arkansas, Tennessee, and Virginia each bordered at least one Union border state.