Train
Flight
Portsmouth to Washington
Updated: 28 May 2026
The journey from Portsmouth to Washington, D.C. covers approximately 450 miles. Most travelers take a bus to Boston and then fly from Logan Airport or take an Amtrak train from South Station. The total travel time is roughly 6 to 8 hours. You will pass through major cities like New York and Philadelphia along the way. This route is common for government and business travel.
Total Distance: 720 km driving, 630 km air distance.
Fastest Way
Flight, taking 4 hours total including airport transit.
Cheapest Way
Train, if booked well in advance.
Compare Portsmouth to Washington Routes
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Connecting
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Connecting
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|---|---|---|
| Duration | 8 hours | 4 hours (including airport time) |
| Avg Price | 120-250 USD | 150-300 USD |
| Operator | Amtrak | JetBlue / American Airlines |
| Route | Bus to Boston, then Amtrak Northeast Regional to Union Station. | Bus to Boston Logan, flight to DCA or IAD. |
| Tip | The train is more comfortable and offers city-center to city-center service. | Fly into Reagan National (DCA) for the easiest access to downtown DC. |
Travel Tips
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TransitUse the Metro system; it is the most efficient way to get around DC.
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TicketsBook train tickets early to secure the best prices.
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ArrivalUnion Station is a beautiful and convenient hub for trains.
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WalkingDC is very walkable, but the Mall is long; wear comfortable shoes.
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AppsUse a transit app to track Metro arrivals.
Safety Tips
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AwarenessStay alert in crowded tourist areas.
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Metro SafetyFollow all safety instructions on the Metro platforms.
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Night TravelStick to well-lit areas when walking at night.
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EmergencyDC has a robust emergency response system; dial 911.
People Also Ask
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Is there a direct flight?No, you must fly from Boston Logan Airport.
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How long is the train ride?The train from Boston to DC takes about 7 to 8 hours.
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Which is better, flight or train?The train is less stressful, while the flight is faster.
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Where does the train arrive?Amtrak arrives at Union Station in downtown DC.
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Are there tolls?If driving, expect significant tolls on the I-95 corridor.
Quick Info
- From Portsmouth, New Hampshire, United States
- To Washington, District of Columbia, United States
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Modes
Best Time to Travel
Spring for the Cherry Blossom Festival or Autumn for mild weather.
Things to Do in Washington
1
National Mall
Walk the length of the Mall to see the Lincoln Memorial and Washington Monument. It is the heart of the city's history.
2
Smithsonian Museums
Visit the world-class museums, most of which are free. The Air and Space Museum is a highlight.
3
U.S. Capitol
Take a tour of the Capitol building. It is a symbol of American democracy.
4
White House
View the home of the President from Lafayette Square. It is an iconic landmark.
Tags
Portsmouth to DC
train to Washington DC
flight to DC from NH
traveling to D.C.
Portsmouth to DC distance
Amtrak to DC
Boston to DC flight
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