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SIR to ALO: distance & flight time
Sion (Sion Airport) → Waterloo (Waterloo Regional Airport)
4,580 mi
7,371 km · 3,980 nm
9h 27m
estimated nonstop flight time
-7h
time difference · heading northwest
See live SIR→ALO fares Phone-only fares on this route — call free
Flight time details
4,580 miles nonstop takes roughly 9h 27m 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
- ALO — Waterloo Regional Airport · Waterloo, 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 ALO
- CCY · Northeast Iowa Regional Airport37 mi away
- CID · The Eastern Iowa Airport58 mi away
- MCW · Mason City Municipal Airport63 mi away
- PCD · Prairie Du Chien Municipal Airport72 mi away
Frequently asked questions
How far is SIR from ALO?
The flight distance from Sion (SIR) to Waterloo (ALO) is 4,580 miles (7,371 km, 3,980 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to ALO?
A nonstop flight takes about 9h 27m 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 Waterloo?
Waterloo is 7 hours behind Sion.
What is the cheapest way to fly from SIR to ALO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–ALO that never appear on search engines, with no booking fees.