There are 1,641.82 miles from Billings to Washington Dulles International Airport (IAD) in southeast direction and 1,971 miles (3,172.02 kilometers) by car, following the I-90 and US-14 route.
Billings and IAD Airport are 1 day 11 hours far apart, if you drive non-stop.
This is the fastest route from Billings, MT to IAD Airport. The halfway point is Eyota, MN.
Please note the time difference between Billings, MT and IAD Airport is 2 hours. The current time in Billings is 10:46 pm (Dec 10) and the current time in IAD Airport is 12:46 am (Dec 11).
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