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NNT to SIR: distance & flight time
Nan (Nan Airport) → Sion (Sion Airport)
5,448 mi
8,768 km · 4,735 nm
11h 9m
estimated nonstop flight time
-5h
time difference · heading northwest
See live NNT→SIR fares Phone-only fares on this route — call free
Flight time details
5,448 miles nonstop takes roughly 11h 9m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time set-back when reading arrival times on your ticket.
The two airports
- NNT — Nan Airport · Nan, Thailand
- 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 NNT
- PRH · Phrae Airport62 mi away
- ZBY · Sayaboury Airport68 mi away
- LPT · Lampang Airport92 mi away
- CEI · Chiang Rai International Airport98 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 NNT from SIR?
The flight distance from Nan (NNT) to Sion (SIR) is 5,448 miles (8,768 km, 4,735 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NNT to SIR?
A nonstop flight takes about 11h 9m 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 Nan and Sion?
Sion is 5 hours behind Nan.
What is the cheapest way to fly from NNT to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NNT–SIR that never appear on search engines, with no booking fees.