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Flight distance & time
Washington Dulles International Airport → St Louis Regional Airport
IADALN
- Distance
- 1,088 km · 676 mi
- Flight time
- 02h 06m
- CO₂ per passenger
- 97 kg
This Washington Dulles International Airport → St Louis Regional Airport route is 1,088 km (676 mi) end to end. The estimated flight time is 02h 06m, and a passenger's share of CO₂ works out at roughly 97 kg.
See the reverse route: St Louis Regional Airport → Washington Dulles International Airport
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Your route
- FromIADWashington Dulles International AirportDulles, Virginia
- ToALNSt Louis Regional AirportAlton/St Louis, Illinois
Flight map
Track your lifetime distance flown across every trip.
Route service
Average daily flights~0.1 flights/day
Airlines on this route
NetJets Aviation
Common questions
Washington Dulles International Airport to St Louis Regional Airport FAQ
How far is Washington Dulles International Airport from St Louis Regional Airport?
Washington Dulles International Airport (IAD) and St Louis Regional Airport (ALN) are 1,088 km (676 mi) apart, measured along the great-circle route.
How long is the flight from Washington Dulles International Airport to St Louis Regional Airport?
A direct IAD–ALN flight covers the distance in about 02h 06m, though the exact time shifts with aircraft type and winds.
How much CO₂ does a flight from Washington Dulles International Airport to St Louis Regional Airport produce?
A passenger's share of CO₂ on the IAD–ALN route is roughly 97 kg.
Which airlines fly from Washington Dulles International Airport to St Louis Regional Airport?
NetJets Aviation operate scheduled service between IAD and ALN.
Flight distance and time are estimates for ideal conditions — actual figures vary with aircraft type, routing and weather.
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