There are 1,244.62 miles from Saint Louis to Tucson in southwest direction and 1,443 miles (2,322.28 kilometers) by car, following the I-44 W route.
Saint Louis and Tucson are 22 hours 24 mins far apart, if you drive non-stop .
This is the fastest route from Saint Louis, MO to Tucson, AZ. The halfway point is Claude, TX.
Please note the time difference between Saint Louis, MO and Tucson, AZ is 2 hours. The current time in Saint Louis is 4:06 am and the current time in Tucson is 2:06 am.
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