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FMA to SIR: distance & flight time
Formosa (Formosa Airport) → Sion (Sion Airport)
6,464 mi
10,403 km · 5,617 nm
13h 8m
estimated nonstop flight time
+5h
time difference · heading northeast
See live FMA→SIR fares Phone-only fares on this route — call free
Flight time details
6,464 miles nonstop takes roughly 13h 8m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- FMA — Formosa Airport · Formosa, Argentina
- 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 FMA
- PIL · Carlos Miguel Gimenez Airport47 mi away
- ASU · Silvio Pettirossi International Airport80 mi away
- CNQ · Corrientes Airport91 mi away
- RES · Resistencia International Airport100 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 FMA from SIR?
The flight distance from Formosa (FMA) to Sion (SIR) is 6,464 miles (10,403 km, 5,617 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FMA to SIR?
A nonstop flight takes about 13h 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 Formosa and Sion?
Sion is 5 hours ahead of Formosa.
What is the cheapest way to fly from FMA to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FMA–SIR that never appear on search engines, with no booking fees.