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CMH to ALN: distance & flight time
Columbus (John Glenn Columbus International Airport) → Alton/St Louis (St Louis Regional Airport)
389 mi
626 km · 338 nm
1h 29m
estimated nonstop flight time
—
time difference · heading west
See live CMH→ALN fares Phone-only fares on this route — call free
Flight time details
389 miles nonstop takes roughly 1h 29m gate to gate, flying west. 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.
The two airports
- CMH — John Glenn Columbus International Airport · Columbus, United States
- ALN — St Louis Regional Airport · Alton/St Louis, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near CMH
Near ALN
- STL · St Louis Lambert International Airport20 mi away
- BLV · Scott AFB/Midamerica Airport26 mi away
- SUS · Spirit of St Louis Airport36 mi away
- SPI · Abraham Lincoln Capital Airport69 mi away
Frequently asked questions
How far is CMH from ALN?
The flight distance from Columbus (CMH) to Alton/St Louis (ALN) is 389 miles (626 km, 338 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMH to ALN?
A nonstop flight takes about 1h 29m 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 CMH to ALN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMH–ALN that never appear on search engines, with no booking fees.