There are 355.03 miles from Harmony to Ronald Reagan Washington National Airport (DCA) in southwest direction and 406 miles (653.39 kilometers) by car, following the I-95 S route.
Harmony and DCA Airport are 7 hours 10 mins far apart, if you drive non-stop.
This is the fastest route from Harmony, RI to DCA Airport. The halfway point is Carteret, NJ.
Harmony, RI and DCA Airport are in the same time zone (EDT). Current time in both locations is 4:22 am.
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