There are 1,266.71 miles from Saint Louis to Phoenix Sky Harbor International Airport (PHX) in southwest direction and 1,452 miles (2,336.77 kilometers) by car, following the I-40 and US-84 W route.
Saint Louis and PHX Airport are 21 hours 26 mins far apart, if you drive non-stop .
This is the fastest route from Saint Louis, MO to PHX Airport. The halfway point is Amarillo, TX.
Please note the time difference between Saint Louis, MO and PHX Airport is 2 hours. The current time in Saint Louis is 4:29 pm and the current time in PHX Airport is 2:29 pm.
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