There are 1,066.21 miles from Dewey to McCool in southeast direction and 1,340 miles (2,156.52 kilometers) by car, following the I-80 route.
Dewey and McCool are 1 day 2 hours far apart, if you drive non-stop .
This is the fastest route from Dewey, SD to McCool, MS. The halfway point is Mound City, MO.
Please note the time difference between Dewey, SD and McCool, MS is 1 hour. The current time in Dewey is 3:05 am and the current time in McCool is 4:05 am.
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