It is 1,425 miles via I-84 East and US-93 South. That route is 84 miles shorter and 1 hour faster then the recommended I-5 South and I-10 West route. If this is round trip travel, you might consider taking both routes for a change of scenery.
The driving distance between Tempe, AZ and Seattle, WA is approximately 1420 miles. The driving time would be approximately 24 hours if you were to travel non-stop in good driving conditions. (The driving time does not take into consideration conditions which may extend trip time such as weather, road work and rush hour traffic in urban areas.)
Distance is 1790 kilometers or 1112 miles or 966 nautical miles.
Source: Time and Date.com
The shortest driving distance is 1,425 miles.
The shortest distance is 221 miles.
The shortest driving distance is 1,805 miles.
The shortest driving distance is 1,206 miles.
The shortest distance is 2,853 miles.
The shortest driving distance is 109 miles.
The shortest distance is 1,914 miles.
About 1,400 miles.
The shortest driving distance is 1,137 miles.
The shortest driving distance is 918 miles.
It is 1,450 miles.
The shortest driving distance is 10.1 miles..