Driving from Arizona to Washington State: Distance, Time, and Routes

The drive from Phoenix, AZ to Seattle, WA covers approximately 1,250 miles (2,010 km) and takes 20–24 hours of pure driving time—typically 3 days with rest stops.

Primary Routes

RouteMilesTimeCharacter
I-17 N → I-40 W → I-15 N → I-84 W → I-82 W → I-90 W (via Flagstaff, Las Vegas, Salt Lake City, Boise)~1,250~20 hrsFastest; major highways, services plentiful
I-10 W → I-5 N (via LA, Central Valley)~1,350~22 hrsScenic but heavy LA traffic risk
US-89 N → I-70 W → I-15 N... (scenic "Grand Circle" detour)~1,450+~25+ hrsZion, Bryce, Grand Canyon—vacation route

Practical Tips

  • Split into 3 days: 4–5 hrs/day = comfortable (e.g., Phoenix → St. George, UT → Twin Falls, ID → Seattle).
  • Winter warning: I-84/I-82 through Blue Mountains (OR/WA) and Snoqualmie Pass (I-90) often require chains/close.
  • Fuel: Fill in AZ/UT/NV—cheaper than CA/OR/WA.
  • EV charging: Robust on I-15/I-84/I-90 corridors (Electrify America, Tesla Superchargers).

For a pure road trip, the I-15/I-84/I-90 corridor balances speed, scenery, and reliability.

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