There are 1,720.26 miles from Saint Louis to Seattle in northwest direction and 2,117 miles (3,406.98 kilometers) by car, following the I-80 route.
Saint Louis and Seattle are 1 day 6 hours far apart, if you drive non-stop .
This is the fastest route from Saint Louis, MO to Seattle, WA. The halfway point is Gillette, WY.
Please note the time difference between Saint Louis, MO and Seattle, WA is 2 hours. The current time in Saint Louis is 2:13 am and the current time in Seattle is 12:13 am.
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