The average bus between National Harbor and Union Station takes 1h 18m and the fastest bus takes 53 min. The bus runs at least 3 times per hour from National Harbor to Union Station. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run every 20 minutes between National Harbor and Union Station. The earliest departure is at 4:00 AM at night, and the last departure from National Harbor is at 8:20 PM which arrives into Union Station at 9:37 PM. All services require a transfer, and take on average 1h 18m. The schedules shown below are for the next available departures.

56 min • 1 change

56 min • 1 change

56 min • 1 change

58 min • 1 change
Want to know about travelling from National Harbor to Union Station? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from National Harbor to Union Station. However, there are services departing from National Harbor station and arriving at Union Station station via Anacostia+Bay G. The journey, including transfers, takes approximately 1h 18m.
National Harbor to Union Station bus services, operated by Washington Metropolitan Area Transit Authority, depart from St George Bl+Waterfront St station.
National Harbor to Union Station bus services, operated by Washington Metropolitan Area Transit Authority, arrive at Massachusetts Av NE+1 St NE station.
The distance between National Harbor and Union Station is 12.7 km. The road distance is 19 km.
You can take a bus from St George Bl+Waterfront St to Massachusetts Av NE+1 St NE via Anacostia+Bay E in around 1h 21m.