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ACH to MGM: distance & flight time
Altenrhein (St Gallen Altenrhein Airport) → MONTGOMERY (Montgomery Regional (Dannelly Field) Airport)
4,868 mi
7,834 km · 4,230 nm
10h 1m
estimated nonstop flight time
-7h
time difference · heading northwest
See live ACH→MGM fares Phone-only fares on this route — call free
Flight time details
4,868 miles nonstop takes roughly 10h 1m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- ACH — St Gallen Altenrhein Airport · Altenrhein, Switzerland
- MGM — Montgomery Regional (Dannelly Field) Airport · MONTGOMERY, 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 ACH
- HOH · Hohenems-Dornbirn Airport9 mi away
- FDH · Friedrichshafen Airport13 mi away
- ZRH · Zürich Airport47 mi away
- FMM · Memmingen Allgau Airport47 mi away
Near MGM
- MXF · Maxwell Air Force Base6 mi away
- SEM · Craig Field35 mi away
- TOI · Troy Municipal Airport at N Kenneth Campbell Field38 mi away
- ALX · Thomas C Russell Field49 mi away
Frequently asked questions
How far is ACH from MGM?
The flight distance from Altenrhein (ACH) to MONTGOMERY (MGM) is 4,868 miles (7,834 km, 4,230 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACH to MGM?
A nonstop flight takes about 10h 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 time difference between Altenrhein and MONTGOMERY?
MONTGOMERY is 7 hours behind Altenrhein.
What is the cheapest way to fly from ACH to MGM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACH–MGM that never appear on search engines, with no booking fees.