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ACH to TGA: distance & flight time
Altenrhein (St Gallen Altenrhein Airport) → Tengah (Tengah Air Base)
6,341 mi
10,205 km · 5,510 nm
12h 54m
estimated nonstop flight time
+6h
time difference · heading east
See live ACH→TGA fares Phone-only fares on this route — call free
Flight time details
6,341 miles nonstop takes roughly 12h 54m gate to gate, flying east. 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
- TGA — Tengah Air Base · Tengah, Singapore
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 TGA
- SIN · Singapore Changi Airport20 mi away
- XSP · Seletar Airport11 mi away
- QPG · Paya Lebar Air Base14 mi away
- JHB · Senai International Airport18 mi away
Frequently asked questions
How far is ACH from TGA?
The flight distance from Altenrhein (ACH) to Tengah (TGA) is 6,341 miles (10,205 km, 5,510 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACH to TGA?
A nonstop flight takes about 12h 54m 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 Tengah?
Tengah is 6 hours ahead of Altenrhein.
What is the cheapest way to fly from ACH to TGA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACH–TGA that never appear on search engines, with no booking fees.