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SIR to ASH: distance & flight time
Sion (Sion Airport) → Nashua (Boire Field)
3,727 mi
5,998 km · 3,238 nm
7h 46m
estimated nonstop flight time
-6h
time difference · heading northwest
See live SIR→ASH fares Phone-only fares on this route — call free
Flight time details
3,727 miles nonstop takes roughly 7h 46m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- SIR — Sion Airport · Sion, Switzerland
- ASH — Boire Field · Nashua, 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 ASH
- BOS · General Edward Lawrence Logan International Airport39 mi away
- MHT · Manchester-Boston Regional Airport11 mi away
- LWM · Lawrence Municipal Airport20 mi away
- BED · Laurence G Hanscom Field24 mi away
Frequently asked questions
How far is SIR from ASH?
The flight distance from Sion (SIR) to Nashua (ASH) is 3,727 miles (5,998 km, 3,238 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to ASH?
A nonstop flight takes about 7h 46m 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 Nashua?
Nashua is 6 hours behind Sion.
What is the cheapest way to fly from SIR to ASH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–ASH that never appear on search engines, with no booking fees.