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

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There are 9 ways to get from Washington to Diamond Bar by plane, bus, bus (Greyhound, Flixbus), train (Amtrak), car, subway, taxi, or train

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 Los Angeles International Airport, bus

    best
    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 33m
    $213–495

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

    cheapest
    1. Take the subway from Farragut West, 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 18m
    $200–577

  3. Bus

    1. Take the bus from Washington Union Station to Pittsburgh Intermodal Stationbus bus
    2. Take the bus from Pittsburgh Intermodal Station to St Louis Bus Stationbus bus
    3. Take the bus from St Louis Bus Station to Montclair Transcenterbus bus
    2d 13h
    $405–791

  4. Train via San Bernardino (Amtrak)

    1. Take the train from Rockville Amtrak to Chicago Union Stationtrain train Floridian
    2. Take the train from Chicago Union Station to San Bernardinotrain train Southwest Chief
    2d 15h
    $950–1,912

  5. Drive 2,587.5 mi

    1. Drive from Washington to Diamond Barcar car 2,587.5 mi
    42h 26m
    $473–683

  6. Subway to Washington Dulles International Airport, fly to John Wayne Airport Orange County, taxi

    1. Take the subway from Farragut West, 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 John Wayne Airport Orange County (SNA)plane plane IAD - SNA
    3. Take the taxi from Santa-Ana-Airport-SNA to Diamond Bartaxi taxi
    7h 43m
    $497–1,018

  7. Train to Baltimore-Washington International Airport, fly to Ontario International Airport

    1. Take the train from Washington Union Station to BWI Thurgood Marshalltrain train
    2. Fly from Baltimore-Washington International Airport (BWI) to Ontario International Airport (ONT)plane plane BWI - ONT
    9h 1m
    $245–1,553

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

    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 8m
    $240–1,214

  9. 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
    $1,103–2,300

Washington to Diamond Bar by bus

Calendar7Weekly Buses
Duration2d 13hAverage Duration
Ticket$405Cheapest Price
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Questions & Answers

Map of how to get from Washington to Diamond Bar.ExpandLaunch map view
  • Distance: 2,347.6 mi
  • Duration: 7h 33m

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

You can take a bus from Washington Union Station to Cal Poly Pomona Admin via Pittsburgh Intermodal Station, St Louis Bus Station, Montclair Transcenter, and Montclair Transit Center in around 2d 13h. Alternatively, you can take a subway from Farragut North, Red Line Center Platform to Cal Poly Pomona Admin via Rockville, Red Line Center Platform, Rockville Amtrak, Chicago Union Station, San Bernardino, San Bernardino Depot, Montclair, and Montclair Transit Center in around 2d 15h.

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