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SIR to FLV: distance & flight time
Sion (Sion Airport) → Fort Leavenworth (Sherman Army Air Field)
4,826 mi
7,766 km · 4,194 nm
9h 56m
estimated nonstop flight time
-7h
time difference · heading northwest
See live SIR→FLV fares Phone-only fares on this route — call free
Flight time details
4,826 miles nonstop takes roughly 9h 56m 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
- FLV — Sherman Army Air Field · Fort Leavenworth, 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 FLV
- MCI · Kansas City International Airport12 mi away
- MKC · Charles B. Wheeler Downtown Airport24 mi away
- STJ · Rosecrans Memorial Airport28 mi away
- LWC · Lawrence Municipal Airport29 mi away
Frequently asked questions
How far is SIR from FLV?
The flight distance from Sion (SIR) to Fort Leavenworth (FLV) is 4,826 miles (7,766 km, 4,194 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to FLV?
A nonstop flight takes about 9h 56m 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 Fort Leavenworth?
Fort Leavenworth is 7 hours behind Sion.
What is the cheapest way to fly from SIR to FLV?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–FLV that never appear on search engines, with no booking fees.