There are 1,720.26 miles from Seattle to Saint Louis in southeast direction and 2,140 miles (3,444.00 kilometers) by car, following the I-90 E route.
Seattle and Saint Louis are 1 day 6 hours far apart, if you drive non-stop .
This is the fastest route from Seattle, WA to Saint Louis, MO. The halfway point is Gillette, WY.
Please note the time difference between Seattle, WA and Saint Louis, MO is 2 hours. The current time in Seattle is 4:40 am and the current time in Saint Louis is 6:40 am.
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