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GUS to SIR: distance & flight time
Peru (Grissom Air Reserve Base) → Sion (Sion Airport)
4,422 mi
7,116 km · 3,842 nm
9h 8m
estimated nonstop flight time
+6h
time difference · heading northeast
See live GUS→SIR fares Phone-only fares on this route — call free
Flight time details
4,422 miles nonstop takes roughly 9h 8m gate to gate, flying northeast. 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
- GUS — Grissom Air Reserve Base · Peru, United States
- 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 GUS
- OKK · Kokomo Municipal Airport10 mi away
- LAF · Purdue University Airport44 mi away
- AID · Anderson Municipal Darlington Field47 mi away
- MIE · Delaware County Johnson Field49 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 GUS from SIR?
The flight distance from Peru (GUS) to Sion (SIR) is 4,422 miles (7,116 km, 3,842 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GUS to SIR?
A nonstop flight takes about 9h 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 Peru and Sion?
Sion is 6 hours ahead of Peru.
What is the cheapest way to fly from GUS to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GUS–SIR that never appear on search engines, with no booking fees.