There are 11.20 miles from Rockville to Adelphi in southeast direction and 16 miles (25.75 kilometers) by car, following the I-495 E route.
Rockville and Adelphi are 19 minutes far apart, if you drive non-stop .
This is the fastest route from Rockville, MD to Adelphi, MD. The halfway point is Chevy Chase, MD.
Rockville, MD and Adelphi, MD are in the same time zone (EDT). Current time in both locations is 6:59 am.
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