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STK to ALN: distance & flight time

Sterling (Sterling Municipal Airport) → Alton/St Louis (St Louis Regional Airport)

712 mi
1,145 km · 618 nm
2h 1m
estimated nonstop flight time
—
time difference · heading east
See live STK→ALN fares Phone-only fares on this route — call free

Flight time details

712 miles nonstop takes roughly 2h 1m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is STK from ALN?

The flight distance from Sterling (STK) to Alton/St Louis (ALN) is 712 miles (1,145 km, 618 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from STK to ALN?

A nonstop flight takes about 2h 1m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.

What is the cheapest way to fly from STK to ALN?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STK–ALN that never appear on search engines, with no booking fees.
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