A clear, confident arrival to National Harbor 

This page curates official resources for international travelers attending the Annual Meeting in National Harbor, Maryland— including U.S. entry guidance, airport options, and local transportation.

Pre-arrival Checklist Airports & Transit InfoEmbassies & Consulates

Invitation and Visa Letters for International Speakers

If you require a letter of invitation for visa purposes, or documentation confirming your role as a speaker at the conference, please contact the Meetings Team. We are happy to provide the necessary support for your travel arrangements.

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Know Before you Fly

Authoritative guidance for documents, security screening, and entry.

U.S. State Department — Travel Advisories

Country-specific safety guidance, STEP enrollment, and embassy contracts. 

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CBP — International Visitors (I-94 & Entry)

Retrieve/prepare your I-94, review entry requirements, and see Trusted Traveler programs.

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TSA — What Can I Bring?

Search items for carry-on vs. checked baggage and screening expectations.

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TSA — Travel Checklist

Quick pre-flight checklist, liquid rules, and ID tips.   

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Airports & Metro (Washington, DC region)

National Harbor is served by multiple airports.
Many attendees fly into DCA (closest), while IAD and BWI offer additional international routes.

Reagan National Airport (DCA)

Closest major airport to National Harbor (typically the quickest drive).

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Dulles International Airport (IAD)

Major international hub; farther west with Metro access via Silver Line.                                               

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Baltimore/Washington (BWI)

Often offers competitive fares; farthest north.                                              

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Washington Metropolitan Area Transit Authority - Airport & Rail Access

Free connections between terminals, Rental Car Center, and MBTA Airport Station.

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Tip: Rideshare/taxi is often the simplest option from any airport to National Harbor. If using transit, Metro is excellent for reaching downtown DC—but National Harbor is typically completed by bus, shuttle, or rideshare from the nearest Metro stop.

National Harbor Basics

Directions, parking, and on-site transportation near the resort and waterfront.

National Harbor - Getting Here

Directions, garages, and planning your arrival.

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National Harbor Parking

Garage options, on-street metered parking, & resort parking.                                               

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Gaylord National Resort & Convention Center

Stay where GSA 2026 happens—the Gaylord National Resort & Convention Center, featuring on-site amenities and exclusive rates by booking through our housing portal.          

Reserve Now

Embassies & Consulates

Official directory of U.S. embassies/consulates worldwide.

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Locate specific posts handling immigrant visa processing.

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Emergency phone numbers and guidance for crises abroad.

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Contact Us

For questions, please email the meetings team for assistance.

Email Us