Need help booking?
Unpublished phone-only deals available
SIR to NJA: distance & flight time
Sion (Sion Airport) → Atsugi (Atsugi Naval Air Facility)
6,057 mi
9,748 km · 5,263 nm
12h 21m
estimated nonstop flight time
+7h
time difference · heading northeast
See live SIR→NJA fares Phone-only fares on this route — call free
Flight time details
6,057 miles nonstop takes roughly 12h 21m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- SIR — Sion Airport · Sion, Switzerland
- NJA — Atsugi Naval Air Facility · Atsugi, Japan
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 NJA
- HND · Tokyo Haneda International Airport20 mi away
- NRT · Narita International Airport57 mi away
- OKO · Yokota Air Base21 mi away
- OIM · Oshima Airport47 mi away
Frequently asked questions
How far is SIR from NJA?
The flight distance from Sion (SIR) to Atsugi (NJA) is 6,057 miles (9,748 km, 5,263 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to NJA?
A nonstop flight takes about 12h 21m 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 Atsugi?
Atsugi is 7 hours ahead of Sion.
What is the cheapest way to fly from SIR to NJA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–NJA that never appear on search engines, with no booking fees.