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TNN to SIR: distance & flight time
Tainan (Tainan Airport) → Sion (Sion Airport)
6,084 mi
9,792 km · 5,287 nm
12h 24m
estimated nonstop flight time
-6h
time difference · heading northwest
See live TNN→SIR fares Phone-only fares on this route — call free
Flight time details
6,084 miles nonstop takes roughly 12h 24m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- TNN — Tainan Airport · Tainan, Taiwan
- SIR — Sion Airport · Sion, 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 TNN
- PIF · Pingtung North Airport25 mi away
- KHH · Kaohsiung International Airport27 mi away
- CYI · Chiayi Airport37 mi away
- WOT · Wang-an Airport53 mi away
Near SIR
- AOT · Aosta Airport33 mi away
- QLS · Lausanne-Blécherette Airport41 mi away
- ZIN · Interlaken Air Base41 mi away
- MVV · Megève Airport43 mi away
Frequently asked questions
How far is TNN from SIR?
The flight distance from Tainan (TNN) to Sion (SIR) is 6,084 miles (9,792 km, 5,287 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TNN to SIR?
A nonstop flight takes about 12h 24m 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 Tainan and Sion?
Sion is 6 hours behind Tainan.
What is the cheapest way to fly from TNN to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TNN–SIR that never appear on search engines, with no booking fees.