Simply head due North from Phoenix and cross the full length of Utah and you will appear in Idaho.
You would travel north from Arizona to reach Idaho.
Arizona to Idaho is North
Idaho is north of Arizona.
Head north.
North
Idaho is north of Phoenix, Arizona.
North
North
north
north
north
you would have to travel north
Arizona.
Idaho, Arizona, Colorado, New Mexico, Wyoming, and Nevada. To the north, Idaho and Wyoming; to the east Colorado; to the south Arizona; and to the west by Nevada
The state of Nevada is directly west of Utah.
California, idaho, Utah, Arizona, and Oregon.
Idaho is west of Vermont.