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ALN to MER: distance & flight time
Alton/St Louis (St Louis Regional Airport) → Merced (Castle Airport)
1,654 mi
2,662 km · 1,438 nm
3h 43m
estimated nonstop flight time
—
time difference · heading west
See live ALN→MER fares Phone-only fares on this route — call free
Flight time details
1,654 miles nonstop takes roughly 3h 43m 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
- ALN — St Louis Regional Airport · Alton/St Louis, United States
- MER — Castle Airport · Merced, 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 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
Near MER
- MCE · Merced Regional Macready Field7 mi away
- MOD · Modesto City Co-Harry Sham Field27 mi away
- RMY · Mariposa Yosemite Airport30 mi away
- MAE · Madera Municipal Airport37 mi away
Frequently asked questions
How far is ALN from MER?
The flight distance from Alton/St Louis (ALN) to Merced (MER) is 1,654 miles (2,662 km, 1,438 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALN to MER?
A nonstop flight takes about 3h 43m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from ALN to MER?
Nonstop service on ALN–MER depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 3h 43m nonstop estimate.
What is the cheapest way to fly from ALN to MER?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALN–MER that never appear on search engines, with no booking fees.
Why are some ALN to MER fares phone-only?
Consolidator contracts let us sell certain ALN–MER tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.