There are 176.67 miles from Chantilly to Roanoke in southwest direction and 221 miles (355.67 kilometers) by car, following the I-81 S route.
Chantilly and Roanoke are 3 hours 21 mins far apart, if you drive non-stop.
This is the fastest route from Chantilly, VA to Roanoke, VA. The halfway point is Harrisonburg, VA.
Chantilly, VA and Roanoke, VA are in the same time zone (EDT). Current time in both locations is 3:57 pm.
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