Dulles International Airport (IAD) is the closest international airport to Bethesda.

Dulles is a major hub for domestic and international air travel with a mixture of legacy and low fare carriers that provide air service throughout the world,

The distance from Dulles to the National Institutes of Health is approximately 24 miles (39km). This will take approximately 30 minutes in a taxi.

You can find more information about transportation options here;


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