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COH to SIR: distance & flight time
Cooch-behar (Cooch Behar Airport) → Sion (Sion Airport)
4,568 mi
7,351 km · 3,969 nm
9h 25m
estimated nonstop flight time
-3.5h
time difference · heading northwest
See live COH→SIR fares Phone-only fares on this route — call free
Flight time details
4,568 miles nonstop takes roughly 9h 25m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time set-back when reading arrival times on your ticket.
The two airports
- COH — Cooch Behar Airport · Cooch-behar, India
- 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 COH
- SPD · Saidpur Airport53 mi away
- GLU · Gelephu Airport73 mi away
- IXB · Bagdogra Airport74 mi away
- PBH · Paro Airport74 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 COH from SIR?
The flight distance from Cooch-behar (COH) to Sion (SIR) is 4,568 miles (7,351 km, 3,969 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from COH to SIR?
A nonstop flight takes about 9h 25m 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 Cooch-behar and Sion?
Sion is 3.5 hours behind Cooch-behar.
What is the cheapest way to fly from COH to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on COH–SIR that never appear on search engines, with no booking fees.