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ATY to ACH: distance & flight time
Watertown (Watertown Regional Airport) → Altenrhein (St Gallen Altenrhein Airport)
4,663 mi
7,505 km · 4,052 nm
9h 37m
estimated nonstop flight time
+7h
time difference · heading northeast
See live ATY→ACH fares Phone-only fares on this route — call free
Flight time details
4,663 miles nonstop takes roughly 9h 37m 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
- ATY — Watertown Regional Airport · Watertown, 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 ATY
- HON · Huron Regional Airport64 mi away
- ABR · Aberdeen Regional Airport72 mi away
- MHE · Mitchell Municipal Airport90 mi away
- FSD · Joe Foss Field Airport94 mi away
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 ATY from ACH?
The flight distance from Watertown (ATY) to Altenrhein (ACH) is 4,663 miles (7,505 km, 4,052 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ATY to ACH?
A nonstop flight takes about 9h 37m 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 Watertown and Altenrhein?
Altenrhein is 7 hours ahead of Watertown.
What is the cheapest way to fly from ATY to ACH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ATY–ACH that never appear on search engines, with no booking fees.