Wyoming is the state that borders Montana, Idaho, Utah, Colorado, Nebraska, and South Dakota.
Wyoming is bordered on the south by Colorado.
Idaho is the state which boarders Wyoming to the west.
Colorado
Wyoming since it borders Northern Colorado
Wyoming
Colorado is bordered by Kansas to the east and Wyoming to the north.
Montana
There is only one state that borders Wyoming to the west which is Idaho. The other states that borders Wyoming are Montana (north), South Dakota and Nebraska (east), Colorado and Utah (south).
Arkansas (borders Missouri, Tennessee, Mississippi. Louisiana, Texas, and Oklahoma).Iowa (borders Minnesota, Wisconsin, Illinois, Missouri, Nebraska, and South Dakota). Pennsylvania (borders New York, New Jersey, Delaware, Maryland, West Virginia, and Ohio).Idaho (borders Washington, Oregon, Montana, Wyoming, Utah, and Nevada).South Dakota (borders Montana, Wyoming, Nebraska, Iowa, Minnesota, and North Dakota).Utah (borders Nevada, Arizona, New Mexico, Colorado, Idaho, and Wyoming). Wyoming (borders Montana, Idaho, Utah, Colorado, Nebraska, and South Dakota). Oklahoma (borders Texas, Colorado, Kansas, Missouri, Arkansas, and New Mexico). Nebraska (borders South Dakota, Iowa, Missouri, Kansas, Colorado, and Wyoming).
Arkansas (borders Missouri, Tennessee, Mississippi. Louisiana, Texas, and Oklahoma).Iowa (borders Minnesota, Wisconsin, Illinois, Missouri, Nebraska, and South Dakota). Pennsylvania (borders New York, New Jersey, Delaware, Maryland, West Virginia, and Ohio).Idaho (borders Washington, Oregon, Montana, Wyoming, Utah, and Nevada).South Dakota (borders Montana, Wyoming, Nebraska, Iowa, Minnesota, and North Dakota).Utah (borders Nevada, Arizona, New Mexico, Colorado, Idaho, and Wyoming). Wyoming (borders Montana, Idaho, Utah, Colorado, Nebraska, and South Dakota). Oklahoma (borders Texas, Colorado, Kansas, Missouri, Arkansas, and New Mexico). Nebraska (borders South Dakota, Iowa, Missouri, Kansas, Colorado, and Wyoming).
Idaho borders Wyoming to the east, Montana to the northeast, Nevada and Utah to the south, Washington and Oregon to the west, and British Columbia, Canada to the north.