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COT to SIR: distance & flight time
Cotulla (Cotulla-La Salle County Airport) → Sion (Sion Airport)
5,539 mi
8,914 km · 4,813 nm
11h 20m
estimated nonstop flight time
+7h
time difference · heading northeast
See live COT→SIR fares Phone-only fares on this route — call free
Flight time details
5,539 miles nonstop takes roughly 11h 20m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- COT — Cotulla-La Salle County Airport · Cotulla, 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 COT
- UVA · Garner Field61 mi away
- LRD · Laredo International Airport65 mi away
- NLD · Quetzalcóatl International Airport73 mi away
- SKF · Lackland Air Force Base75 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 COT from SIR?
The flight distance from Cotulla (COT) to Sion (SIR) is 5,539 miles (8,914 km, 4,813 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from COT to SIR?
A nonstop flight takes about 11h 20m 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 Cotulla and Sion?
Sion is 7 hours ahead of Cotulla.
What is the cheapest way to fly from COT to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on COT–SIR that never appear on search engines, with no booking fees.