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ACH to GRM: distance & flight time
Altenrhein (St Gallen Altenrhein Airport) → Grand Marais (Grand Marais Cook County Airport)
4,290 mi
6,904 km · 3,728 nm
8h 53m
estimated nonstop flight time
-7h
time difference · heading northwest
See live ACH→GRM fares Phone-only fares on this route — call free
Flight time details
4,290 miles nonstop takes roughly 8h 53m 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
- GRM — Grand Marais Cook County Airport · Grand Marais, 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 GRM
- YQT · Thunder Bay Airport61 mi away
- LYU · Ely Municipal Airport67 mi away
- YIB · Atikokan Municipal Airport87 mi away
- CMX · Houghton County Memorial Airport100 mi away
Frequently asked questions
How far is ACH from GRM?
The flight distance from Altenrhein (ACH) to Grand Marais (GRM) is 4,290 miles (6,904 km, 3,728 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACH to GRM?
A nonstop flight takes about 8h 53m 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 Grand Marais?
Grand Marais is 7 hours behind Altenrhein.
What is the cheapest way to fly from ACH to GRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACH–GRM that never appear on search engines, with no booking fees.