There are 1,542.63 miles from Saint Louis to Riverside in southwest direction and 1,790 miles (2,880.73 kilometers) by car, following the I-40 route.
Saint Louis and Riverside are 1 day 7 hours far apart, if you drive non-stop.
This is the fastest route from Saint Louis, MO to Riverside, CA. The halfway point is Newkirk, NM.
Please note the time difference between Saint Louis, MO and Riverside, CA is 2 hours. The current time in Saint Louis is 11:27 pm and the current time in Riverside is 9:27 pm.
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