There are 859.73 miles from Greycliff to Phoenix Sky Harbor International Airport (PHX) in south direction and 1,147 miles (1,845.92 kilometers) by car, following the I-15 S route.
Greycliff and PHX Airport are 18 hours 2 mins far apart, if you drive non-stop .
This is the fastest route from Greycliff, MT to PHX Airport. The halfway point is Levan, UT.
Please note the time difference between Greycliff, MT and PHX Airport is 1 hour. The current time in Greycliff is 4:06 am and the current time in PHX Airport is 3:06 am.
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