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TDR to SIR: distance & flight time
Theodore (Theodore Airport) → Sion (Sion Airport)
9,918 mi
15,962 km · 8,619 nm
19h 55m
estimated nonstop flight time
-8h
time difference · heading northwest
See live TDR→SIR fares Phone-only fares on this route — call free
Flight time details
9,918 miles nonstop takes roughly 19h 55m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- TDR — Theodore Airport · Theodore, Australia
- 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 TDR
- THG · Thangool Airport46 mi away
- XTO · Taroom Airport57 mi away
- GLT · Gladstone Airport105 mi away
- GAH · Gayndah Airport105 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 TDR from SIR?
The flight distance from Theodore (TDR) to Sion (SIR) is 9,918 miles (15,962 km, 8,619 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TDR to SIR?
A nonstop flight takes about 19h 55m 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 Theodore and Sion?
Sion is 8 hours behind Theodore.
What is the cheapest way to fly from TDR to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TDR–SIR that never appear on search engines, with no booking fees.