Miles between Washington, DC and Prospect Heights, IL

There are
720 mi
from Washington, DC to Prospect Heights, IL

That's the driving distance. It would take 13 hours 40 mins to go from Washington, District of Columbia to Prospect Heights, Illinois.

The flight distance (direct flight from Washington, DC to Prospect Heights, IL) is 613.41 mi.

720 mi = 1,158.47 kms