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Flight distance & time
St Louis Regional Airport → St Louis Downtown Airport
ALNCPS
- Distance
- 36 km · 22 mi
- Flight time
- 00h 47m
- CO₂ per passenger
- 3 kg
This St Louis Regional Airport → St Louis Downtown Airport route is 36 km (22 mi) end to end. The estimated flight time is 00h 47m, and a passenger's share of CO₂ works out at roughly 3 kg.
See the reverse route: St Louis Downtown Airport → St Louis Regional Airport
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Your route
- FromALNSt Louis Regional AirportAlton/St Louis, Illinois
- ToCPSSt Louis Downtown AirportCahokia/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
Nolinor
Common questions
St Louis Regional Airport to St Louis Downtown Airport FAQ
How far is St Louis Regional Airport from St Louis Downtown Airport?
St Louis Regional Airport (ALN) and St Louis Downtown Airport (CPS) are 36 km (22 mi) apart, measured along the great-circle route.
How long is the flight from St Louis Regional Airport to St Louis Downtown Airport?
A direct ALN–CPS flight covers the distance in about 00h 47m, though the exact time shifts with aircraft type and winds.
How much CO₂ does a flight from St Louis Regional Airport to St Louis Downtown Airport produce?
A passenger's share of CO₂ on the ALN–CPS route is roughly 3 kg.
Which airlines fly from St Louis Regional Airport to St Louis Downtown Airport?
Nolinor operate scheduled service between ALN and CPS.
Flight distance and time are estimates for ideal conditions — actual figures vary with aircraft type, routing and weather.
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