There are 253.91 miles from Harmony to Winterthur in southwest direction and 306 miles (492.46 kilometers) by car, following the I-95 S route.
Harmony and Winterthur are 5 hours 27 mins far apart, if you drive non-stop.
This is the fastest route from Harmony, RI to Winterthur, DE. The halfway point is Harrison, NY.
Harmony, RI and Winterthur, DE are in the same time zone (EDT). Current time in both locations is 7:29 am.
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