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SIR to JEF: distance & flight time
Sion (Sion Airport) → Jefferson City (Jefferson City Memorial Airport)
4,755 mi
7,653 km · 4,132 nm
9h 47m
estimated nonstop flight time
-7h
time difference · heading northwest
See live SIR→JEF fares Phone-only fares on this route — call free
Flight time details
4,755 miles nonstop takes roughly 9h 47m 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
- JEF — Jefferson City Memorial Airport · Jefferson City, 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 JEF
- COU · Columbia Regional Airport16 mi away
- AIZ · Lee C Fine Memorial Airport40 mi away
- TBN · Waynesville-St. Robert Regional Forney field59 mi away
- SZL · Whiteman Air Force Base76 mi away
Frequently asked questions
How far is SIR from JEF?
The flight distance from Sion (SIR) to Jefferson City (JEF) is 4,755 miles (7,653 km, 4,132 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to JEF?
A nonstop flight takes about 9h 47m 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 Jefferson City?
Jefferson City is 7 hours behind Sion.
What is the cheapest way to fly from SIR to JEF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–JEF that never appear on search engines, with no booking fees.