There are 1,146.35 miles from Saint Louis to Alta in west direction and 1,329 miles (2,138.82 kilometers) by car, following the I-80 route.
Saint Louis and Alta are 18 hours 54 mins far apart, if you drive non-stop .
This is the fastest route from Saint Louis, MO to Alta, UT. The halfway point is Hershey, NE.
Please note the time difference between Saint Louis, MO and Alta, UT is 1 hour. The current time in Saint Louis is 10:37 am and the current time in Alta is 9:37 am.
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