Direction from Arizona to Idaho: Northeast, But No Straight Shot
Idaho lies northeast of Arizona — but you can't travel in a straight line. Multiple states and mountain ranges intervene.
Geographic Relationship
- Arizona centroid: ~34.5°N, 111.5°W
- Idaho centroid: ~44.5°N, 114.5°W
- Bearing: ~350° (almost due north, slightly west)
- Straight-line distance: ~1,100 km (680 mi)
Why No Direct Route
- Utah sits directly between (Arizona north border = Utah south border)
- Nevada cuts the northwest corner
- Rocky Mountains / Wasatch Range block direct paths
- Colorado River / Grand Canyon bisects northern AZ
Practical Driving Routes
| Route | Miles | Time | Via |
|---|
| I-15 North | ~750 | 11–12h | Flagstaff → St. George → Salt Lake City → Idaho Falls |
| US-89 / US-191 | ~800 | 13–14h | Page → Kanab → Richfield → Price → Vernal → Rock Springs → Idaho Falls |
| I-40 → I-25 → I-80 | ~1,000 | 15h+ | Flagstaff → Albuquerque → Denver → Cheyenne → Salt Lake → Idaho Falls |
Flight
- PHX → BOI (Boise): 2h 15m nonstop (Alaska, Southwest, American)
- PHX → IDA (Idaho Falls): 2h 30m (seasonal)
- TUS → BOI: Connect required
Scenic Alternative
US-89A through Vermilion Cliffs, Zion, Bryce, Grand Teton, Yellowstone → Idaho. 2+ weeks for full experience.
Wanderlust World