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SIR to CEZ: distance & flight time
Sion (Sion Airport) → Cortez (Cortez Municipal Airport)
5,435 mi
8,746 km · 4,723 nm
11h 7m
estimated nonstop flight time
-8h
time difference · heading northwest
See live SIR→CEZ fares Phone-only fares on this route — call free
Flight time details
5,435 miles nonstop takes roughly 11h 7m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- SIR — Sion Airport · Sion, Switzerland
- CEZ — Cortez Municipal Airport · Cortez, United States
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 SIR
- AOT · Aosta Airport33 mi away
- QLS · Lausanne-Blécherette Airport41 mi away
- ZIN · Interlaken Air Base41 mi away
- MVV · Megève Airport43 mi away
Near CEZ
- FMN · Four Corners Regional Airport45 mi away
- DRO · Durango La Plata County Airport49 mi away
- TEX · Telluride Regional Airport60 mi away
- GMV · Monument Valley Airport89 mi away
Frequently asked questions
How far is SIR from CEZ?
The flight distance from Sion (SIR) to Cortez (CEZ) is 5,435 miles (8,746 km, 4,723 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to CEZ?
A nonstop flight takes about 11h 7m 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 Sion and Cortez?
Cortez is 8 hours behind Sion.
What is the cheapest way to fly from SIR to CEZ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–CEZ that never appear on search engines, with no booking fees.