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THL to ACH: distance & flight time
Tachilek (Tachileik Airport) → Altenrhein (St Gallen Altenrhein Airport)
5,203 mi
8,373 km · 4,521 nm
10h 40m
estimated nonstop flight time
-4.5h
time difference · heading northwest
See live THL→ACH fares Phone-only fares on this route — call free
Flight time details
5,203 miles nonstop takes roughly 10h 40m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4.5-hour time set-back when reading arrival times on your ticket.
The two airports
- THL — Tachileik Airport · Tachilek, Burma
- 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 THL
- HOE · Ban Huoeisay Airport36 mi away
- CEI · Chiang Rai International Airport37 mi away
- MOG · Mong Hsat Airport44 mi away
- KET · Kengtung Airport60 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 THL from ACH?
The flight distance from Tachilek (THL) to Altenrhein (ACH) is 5,203 miles (8,373 km, 4,521 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THL to ACH?
A nonstop flight takes about 10h 40m 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 Tachilek and Altenrhein?
Altenrhein is 4.5 hours behind Tachilek.
What is the cheapest way to fly from THL to ACH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THL–ACH that never appear on search engines, with no booking fees.