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SIR to NCO: distance & flight time
Sion (Sion Airport) → North Kingstown (Quonset State Airport)
3,767 mi
6,063 km · 3,274 nm
7h 51m
estimated nonstop flight time
-6h
time difference · heading northwest
See live SIR→NCO fares Phone-only fares on this route — call free
Flight time details
3,767 miles nonstop takes roughly 7h 51m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- SIR — Sion Airport · Sion, Switzerland
- NCO — Quonset State Airport · North Kingstown, 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 NCO
Frequently asked questions
How far is SIR from NCO?
The flight distance from Sion (SIR) to North Kingstown (NCO) is 3,767 miles (6,063 km, 3,274 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to NCO?
A nonstop flight takes about 7h 51m 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 North Kingstown?
North Kingstown is 6 hours behind Sion.
What is the cheapest way to fly from SIR to NCO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–NCO that never appear on search engines, with no booking fees.