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How to get fromWashington to Diamond Barby plane, bus (Flixbus, Greyhound), train (Amtrak), car, bus, train, or subway

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There are 8 ways to get from Washington to Diamond Bar by plane, bus (Flixbus, Greyhound), train (Amtrak), car, bus, train, or subway

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 Ronald Reagan Washington National Airport to Ontario International Airport

    best
    1. Fly from Ronald Reagan Washington National Airport (DCA) to Ontario International Airport (ONT)plane plane DCA - ONT
    8h 43m
    $235–647

  2. Train to Baltimore-Washington International Airport, fly to Los Angeles International Airport, bus

    cheapest
    1. Take the train from Washington Union Station to BWI Thurgood Marshalltrain train
    2. Fly from Baltimore-Washington International Airport (BWI) to Los Angeles International Airport (LAX)plane plane BWI - LAX
    3. Take the bus from Union Station Patsaouras Bus Plaza E to Cal Poly Pomona Adminbus bus
    9h 23m
    $180–1,164

  3. Bus

    1. Take the bus from Washington Union Station to Atlanta Bus Stationbus bus
    2. Take the bus from Atlanta Bus Station to Houston Bus Stationbus bus
    3. Take the bus from Houston Bus Station to El Paso Bus Stationbus bus
    4. Take the bus from El Paso to El Montebus bus
    2d 12h
    $503–773

  4. Train via Riverside

    1. Take the train from Rockville Amtrak to Chicago Union Stationtrain train
    2. Take the train from Chicago Union Station to Riversidetrain train
    3. Take the train from Riverside - Downtown to Pomona - Downtowntrain train
    2d 15h
    $1,520–2,570

  5. Drive  2,593.4 mi

    1. Drive from Washington to Diamond Barcar car 2,593.4 mi
    42h 14m
    $474–684

  6. Fly Ronald Reagan Washington National Airport to Los Angeles International Airport, bus

    1. Fly from Ronald Reagan Washington National Airport (DCA) to Los Angeles International Airport (LAX)plane plane DCA - LAX
    2. Take the bus from Union Station Patsaouras Bus Plaza E to Cal Poly Pomona Adminbus bus
    7h 43m
    $202–524

  7. Subway to Washington Dulles International Airport, fly to Los Angeles International Airport, bus

    1. Take the subway from McPherson Square, Blue/Orange/Silver Line Track 2 Platform to Washington Dulles International Airport, Silver Line Center Platformsubway subway
    2. Fly from Washington Dulles International Airport (IAD) to Los Angeles International Airport (LAX)plane plane IAD - LAX
    3. Take the bus from Union Station Patsaouras Bus Plaza E to Cal Poly Pomona Adminbus bus
    9h 39m
    $190–822

  8. Train (Amtrak)

    1. Take the train from Washington Union Station to Chicago Union Stationtrain train
    2. Take the train from Chicago Union Station to Pomona Amtraktrain train
    3d 11h
    $1,824–2,955

Washington to Diamond Bar by bus

Calendar7Weekly Buses
Duration2d 12hAverage Duration
Ticket$503Cheapest Price
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Comparing Your Travel Options

Map of how to get from Washington to Diamond Bar.ExpandLaunch map view
  • Distance: 2,277.5 mi
  • Duration: 8h 43m

What companies run services between Washington, DC, USA and Diamond Bar, CA, USA?

Southwest Airlines, American Airlines, and two other airlines fly from Ronald Reagan Washington National Airport (DCA) to Ontario International Airport (ONT) every 3 hours. Alternatively, you can take a bus from Washington Union Station to Grand Ave and Valley Blvd via Atlanta Bus Station, Houston Bus Station, El Paso Bus Station, El Paso, El Monte, and Valley Blvd and La Madera Ave E in around 2d 12h.

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Want to know more about travelling around United States

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