Portsmouth
Portsmouth
Detroit
Detroit
Flight Driving

Portsmouth to Detroit

Updated: 28 May 2026

The route from Portsmouth to Detroit covers roughly 750 miles. Driving takes you through Massachusetts, New York, and Ontario, Canada, or via the I-90 route through Ohio. If driving through Canada, ensure you have your passport ready for the border crossing at Buffalo or Sarnia. Flying from Boston Logan (BOS) to Detroit Metropolitan Airport (DTW) is the fastest method, with many direct flights available. The drive offers beautiful views of the Finger Lakes region in New York.

Total Distance: 1,200 km driving distance; 1,000 km straight-line air distance.
Fastest Way
Flying from Boston Logan (BOS) takes about 4 hours including airport time.
Cheapest Way
Driving is the most cost-effective for families or groups.
Compare Portsmouth to Detroit Routes
Flight
Direct
Driving
Direct
Duration 4 hours 13 hours
Avg Price $250 - $450 $130 - $180 in fuel
Operator Delta Air Lines Personal Vehicle
Route BOS to DTW I-95 S, I-90 W, I-75 N
Tip Delta offers the most frequent direct flights from Boston to Detroit. Check border wait times if choosing the route through Ontario.
Travel Tips
  • Border Crossing
    If driving through Canada, have your passport or enhanced license ready.
  • Airport Transport
    Use the SMART bus or ride-share services to get from DTW to downtown.
  • Parking
    Detroit has many secure parking garages near the riverfront.
  • Weather
    Detroit winters are harsh; pack appropriate gear if traveling in January.
  • Navigation
    Download offline maps as cell service can be spotty in rural Ontario.
Safety Tips
  • Urban Awareness
    Stick to well-lit, populated areas when exploring downtown at night.
  • Vehicle Security
    Do not leave valuables visible in your car while parked.
  • Road Conditions
    Watch for potholes on major city streets in Detroit.
  • Emergency Contacts
    Save the number for local roadside assistance.
People Also Ask
  • Do I need a passport to drive to Detroit?
    Only if you take the route through Canada; otherwise, no.
  • Is there a train to Detroit?
    Amtrak serves Detroit, but you would need to travel to a hub like Boston first.
  • What is the best time to fly?
    Mid-week flights are generally cheaper than weekend flights.
  • How long is the drive?
    Approximately 13 hours without major traffic delays.
  • Are there tolls?
    Yes, expect tolls on the New York State Thruway.
Quick Info
  • From Portsmouth, New Hampshire, United States
  • To Detroit, Michigan, United States
  • Modes
Best Time to Travel

June to August for pleasant weather and outdoor festivals in Detroit.

Things to Do in Detroit
1
The Henry Ford Museum
Explore American innovation and history in Dearborn. It features the Rosa Parks bus and presidential limousines.
2
Detroit Institute of Arts
View a massive collection of art from around the world. The Diego Rivera murals are a must-see.
3
Belle Isle Park
Enjoy a 982-acre island park in the Detroit River. It features an aquarium and a conservatory.
4
Eastern Market
Visit one of the oldest and largest public markets in the US. It is vibrant with local food and art.
Tags
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