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Flight distance & time
Portsmouth International at Pease Airport → Baltimore/Washington International Thurgood Marshal Airport
PSMBWI
- Distance
- 653 km · 405 mi
- Flight time
- 01h 34m
- CO₂ per passenger
- 58 kg
This Portsmouth International at Pease Airport → Baltimore/Washington International Thurgood Marshal Airport route is 653 km (405 mi) end to end. The estimated flight time is 01h 34m, and a passenger's share of CO₂ works out at roughly 58 kg.
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Your route
- FromPSMPortsmouth International at Pease AirportPortsmouth, New Hampshire
- ToBWIBaltimore/Washington International Thurgood Marshal AirportBaltimore, Maryland
Flight map
Track your lifetime distance flown across every trip.
Route service
We don't have scheduled-service data for this route — it may be operated by non-commercial or charter flights only.
Common questions
Portsmouth International at Pease Airport to Baltimore/Washington International Thurgood Marshal Airport FAQ
How far is Portsmouth International at Pease Airport from Baltimore/Washington International Thurgood Marshal Airport?
Portsmouth International at Pease Airport (PSM) and Baltimore/Washington International Thurgood Marshal Airport (BWI) are 653 km (405 mi) apart, measured along the great-circle route.
How long is the flight from Portsmouth International at Pease Airport to Baltimore/Washington International Thurgood Marshal Airport?
A direct PSM–BWI flight covers the distance in about 01h 34m, though the exact time shifts with aircraft type and winds.
How much CO₂ does a flight from Portsmouth International at Pease Airport to Baltimore/Washington International Thurgood Marshal Airport produce?
A passenger's share of CO₂ on the PSM–BWI route is roughly 58 kg.
Flight distance and time are estimates for ideal conditions — actual figures vary with aircraft type, routing and weather.
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