Traveling from Herndon to Bethesda is a straightforward trip across the Potomac River. You will primarily use the Dulles Toll Road and I-495 North. The distance is approximately 20 miles. Bethesda is a major hub for dining and shopping, located just inside the Beltway. Expect moderate traffic during morning and evening rush hours.
Total Distance: 32 km driving, 28 km air distance.
Take the exit for Old Georgetown Road to enter the heart of Bethesda.
Mid-morning or early afternoon for the smoothest drive.