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ACH to TNN: distance & flight time
Altenrhein (St Gallen Altenrhein Airport) → Tainan (Tainan Airport)
5,949 mi
9,574 km · 5,169 nm
12h 8m
estimated nonstop flight time
+6h
time difference · heading northeast
See live ACH→TNN fares Phone-only fares on this route — call free
Flight time details
5,949 miles nonstop takes roughly 12h 8m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- ACH — St Gallen Altenrhein Airport · Altenrhein, Switzerland
- TNN — Tainan Airport · Tainan, Taiwan
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 TNN
- PIF · Pingtung North Airport25 mi away
- KHH · Kaohsiung International Airport27 mi away
- CYI · Chiayi Airport37 mi away
- WOT · Wang-an Airport53 mi away
Frequently asked questions
How far is ACH from TNN?
The flight distance from Altenrhein (ACH) to Tainan (TNN) is 5,949 miles (9,574 km, 5,169 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACH to TNN?
A nonstop flight takes about 12h 8m 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 Tainan?
Tainan is 6 hours ahead of Altenrhein.
What is the cheapest way to fly from ACH to TNN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACH–TNN that never appear on search engines, with no booking fees.