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SIR to JMS: distance & flight time
Sion (Sion Airport) → Jamestown (Jamestown Regional Airport)
4,602 mi
7,406 km · 3,999 nm
9h 29m
estimated nonstop flight time
-7h
time difference · heading northwest
See live SIR→JMS fares Phone-only fares on this route — call free
Flight time details
4,602 miles nonstop takes roughly 9h 29m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- SIR — Sion Airport · Sion, Switzerland
- JMS — Jamestown Regional Airport · Jamestown, 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 JMS
- DVL · Devils Lake Regional Airport83 mi away
- FAR · Hector International Airport88 mi away
- RDR · Grand Forks Air Force Base93 mi away
- BIS · Bismarck Municipal Airport98 mi away
Frequently asked questions
How far is SIR from JMS?
The flight distance from Sion (SIR) to Jamestown (JMS) is 4,602 miles (7,406 km, 3,999 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to JMS?
A nonstop flight takes about 9h 29m 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 Jamestown?
Jamestown is 7 hours behind Sion.
What is the cheapest way to fly from SIR to JMS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–JMS that never appear on search engines, with no booking fees.