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SEM to ACH: distance & flight time
Selma (Craig Field) → Altenrhein (St Gallen Altenrhein Airport)
4,890 mi
7,870 km · 4,250 nm
10h 3m
estimated nonstop flight time
+7h
time difference · heading northeast
See live SEM→ACH fares Phone-only fares on this route — call free
Flight time details
4,890 miles nonstop takes roughly 10h 3m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- SEM — Craig Field · Selma, United States
- ACH — St Gallen Altenrhein Airport · Altenrhein, Switzerland
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 SEM
Near ACH
- HOH · Hohenems-Dornbirn Airport9 mi away
- FDH · Friedrichshafen Airport13 mi away
- ZRH · Zürich Airport47 mi away
- FMM · Memmingen Allgau Airport47 mi away
Frequently asked questions
How far is SEM from ACH?
The flight distance from Selma (SEM) to Altenrhein (ACH) is 4,890 miles (7,870 km, 4,250 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEM to ACH?
A nonstop flight takes about 10h 3m 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 Selma and Altenrhein?
Altenrhein is 7 hours ahead of Selma.
What is the cheapest way to fly from SEM to ACH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEM–ACH that never appear on search engines, with no booking fees.