New calculation
Flight distance & time
Washington Dulles International Airport → Portsmouth International at Pease Airport
IADPSM
- Distance
- 721 km · 448 mi
- Flight time
- 01h 39m
- CO₂ per passenger
- 64 kg
This Washington Dulles International Airport → Portsmouth International at Pease Airport route is 721 km (448 mi) end to end. The estimated flight time is 01h 39m, and a passenger's share of CO₂ works out at roughly 64 kg.
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Your route
- FromIADWashington Dulles International AirportDulles, Virginia
- ToPSMPortsmouth International at Pease AirportPortsmouth, New Hampshire
Flight map
Track your lifetime distance flown across every trip.
Route service
Average daily flights~0.1 flights/day
Airlines on this route
PlaneSense
Common questions
Washington Dulles International Airport to Portsmouth International at Pease Airport FAQ
How far is Washington Dulles International Airport from Portsmouth International at Pease Airport?
Washington Dulles International Airport (IAD) and Portsmouth International at Pease Airport (PSM) are 721 km (448 mi) apart, measured along the great-circle route.
How long is the flight from Washington Dulles International Airport to Portsmouth International at Pease Airport?
A direct IAD–PSM flight covers the distance in about 01h 39m, though the exact time shifts with aircraft type and winds.
How much CO₂ does a flight from Washington Dulles International Airport to Portsmouth International at Pease Airport produce?
A passenger's share of CO₂ on the IAD–PSM route is roughly 64 kg.
Which airlines fly from Washington Dulles International Airport to Portsmouth International at Pease Airport?
PlaneSense operate scheduled service between IAD and PSM.
Flight distance and time are estimates for ideal conditions — actual figures vary with aircraft type, routing and weather.
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