Rome2Rio

How to get fromOttawa to Potomacby plane, subway, bus, bus (Greyhound), train (Amtrak), car, train or bus (Flixbus)

Find Transport to Potomac

See all options

There are 9 ways to get from Ottawa to Potomac by plane, subway, bus, bus (Greyhound), train (Amtrak), car, train, or bus (Flixbus)

Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.

  1. Fly Ottawa Macdonald-Cartier International Airport to Ronald Reagan Washington National Airport, subway, bus

    best
    1. Fly from Ottawa Macdonald-Cartier International Airport (YOW) to Ronald Reagan Washington National Airport (DCA)planeYOW - DCA
    2. Take the subway from Gallery Place, Red Line Track 2 Platform to Rockville, Red Line Center Platformsubway
    3. Take the bus from Rockville+Bay A to Falls Rd+River Rdbus
    5h 39m
    $320–966

  2. Drive 540.3 mi

    cheapest
    1. Drive from Ottawa to Potomaccar540.3 mi
    10h 8m
    $124–179

  3. Bus

    1. Take the bus from Gatineau to Montréalbus
    2. Take the bus from Montreal to Port Authority Bus Terminalbus
    3. Take the bus from Port Authority Bus Terminal to Union Stationbus
    17h 40m
    $143–258

  4. Train

    1. Take the train from Ottawa to Montréaltrain
    2. Take the train from Montreal Central Station to Ny Moynihan Train Hall At Penn Stationtrain
    3. Take the train from Ny Moynihan Train Hall At Penn Station to Washington Union Stationtrain
    19h 25m
    $133–972

  5. Fly Ottawa Macdonald-Cartier International Airport to Washington Dulles International Airport, subway

    1. Fly from Ottawa Macdonald-Cartier International Airport (YOW) to Washington Dulles International Airport (IAD)planeYOW - IAD
    2. Take the subway from Washington Dulles International Airport, Silver Line Center Platform to Farragut West, Blue/Orange/Silver Line Track 1 Platformsubway
    6h 18m
    $250–570

  6. Train to Montréal–Pierre Elliott Trudeau International Airport, fly to Ronald Reagan Washington National Airport

    1. Take the train from Ottawa to Dorvaltrain
    2. Fly from Montréal–Pierre Elliott Trudeau International Airport (YUL) to Ronald Reagan Washington National Airport (DCA)planeYUL - DCA
    7h 20m
    $422–1,048

  7. Train to Ogdensburg International Airport, fly to Washington Dulles International Airport, subway

    1. Take the train from Ottawa to Brockvilletrain
    2. Fly from Ogdensburg International Airport (OGS) to Washington Dulles International Airport (IAD)planeOGS - IAD
    3. Take the subway from Washington Dulles International Airport, Silver Line Center Platform to Farragut West, Blue/Orange/Silver Line Track 1 Platformsubway
    6h 36m
    $190–854

  8. Train to Montréal–Pierre Elliott Trudeau International Airport, fly to Washington Dulles International Airport, subway

    1. Take the train from Ottawa to Dorvaltrain
    2. Fly from Montréal–Pierre Elliott Trudeau International Airport (YUL) to Washington Dulles International Airport (IAD)planeYUL - IAD
    3. Take the subway from Washington Dulles International Airport, Silver Line Center Platform to Farragut West, Blue/Orange/Silver Line Track 1 Platformsubway
    7h 54m
    $182–592

  9. Bus via Bethesda, MD

    1. Take the bus from Ottawa, ON - 600 Cumberland St to Montreal, QC - 1597 Rue St-Hubertbus
    2. Take the bus from Montreal to New York Midtownbus
    3. Take the bus from New York Penn Station to Bethesda, MDbusNyc
    17h 42m
    $165–257

Ottawa to Potomac by bus and subway

Calendar26Weekly Services
Duration17h 40mAverage Duration
Ticket$143Cheapest Price
See schedules

Questions & Answers

What companies run services between Ottawa, ON, Canada and Potomac, Montgomery County, MD, USA?

You can take a bus from Gatineau to Falls Rd+River Rd via Montréal, Montreal, Port Authority Bus Terminal, Union Station, Union Station, Red Line Center Platform, Rockville, Red Line Center Platform, and Rockville+Bay A in around 17h 40m. Alternatively, you can take a train from Ottawa to Falls Rd+River Rd via Montréal, Montreal Central Station, Ny Moynihan Train Hall At Penn Station, Washington, Columbus Circle, Union Station, Union Station, Red Line Center Platform, Rockville, Red Line Center Platform, and Rockville+Bay A in around 19h 25m.

Transport is disrupted due to the Russia-Ukraine war. Read more

Airlines
Train operators
Bus operators

Want to know more about travelling around United States

Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.

Related travel guides

Need to know: Greyhound

Read the travel guideNeed to know: Greyhound

More Questions & Answers

Trips from Ottawa

Trips to Potomac

Popular routes