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GRM to ALN: distance & flight time

Grand Marais (Grand Marais Cook County Airport) → Alton/St Louis (St Louis Regional Airport)

618 mi
995 km · 537 nm
1h 49m
estimated nonstop flight time
—
time difference · heading south
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Flight time details

618 miles nonstop takes roughly 1h 49m gate to gate, flying south. 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 GRM from ALN?

The flight distance from Grand Marais (GRM) to Alton/St Louis (ALN) is 618 miles (995 km, 537 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from GRM to ALN?

A nonstop flight takes about 1h 49m 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 GRM to ALN?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRM–ALN that never appear on search engines, with no booking fees.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