22 miles
Washington Dulles International Airport is only 17 miles away from Rockville, Maryland while Baltimore Washington International Airport is 27 miles away from Rockville, Maryland.
Washington Dulles International Airport is 18 miles from Rockville, Maryland.
The air distance within Maryland from Baltimore to Rockville is 32 miles. That equals 52 kilometers or 28 nautical miles.
It is 21.28 miles according to MapQuest.
It is 20.54 miles according to MapQuest.
186 miles
It is approximately 85 miles and should take about an hour and 45 minutes to drive.
About 15 miles (approximate) West of Washington DC, right off of I-275.
The total distance from Baltimore to Rockville or vice versa is 43.39 miles... I looked it up on mapquest so it's official
22 miles taking this route:EXIT the airport and follow signs to GW PKWY. Once you are at the GEORGE WASHINGTON PKWY, follow signs to the GEORGE WASHINGTON PKWY NORTH.Take the GEORGE WASHINGTON PKWY NORTH to I-495 (Capitol Beltway) NORTH (stay in the right hand lane).Take I-495 NORTH on the Capitol Beltway to I-270 at EXIT 38.Take I-270 NORTH to Rockville.
60 miles
The distance between Rockville, MD and Frederick, MD is approximately 30 miles.