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APC to SIR: distance & flight time
Napa (Napa County Airport) → Sion (Sion Airport)
5,822 mi
9,369 km · 5,059 nm
11h 53m
estimated nonstop flight time
+9h
time difference · heading northeast
See live APC→SIR fares Phone-only fares on this route — call free
Flight time details
5,822 miles nonstop takes roughly 11h 53m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- APC — Napa County Airport · Napa, United States
- 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 APC
- SFO · San Francisco International Airport41 mi away
- NOT · Marin County Airport - Gnoss Field16 mi away
- SUU · Travis Air Force Base20 mi away
- CCR · Buchanan Field20 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 APC from SIR?
The flight distance from Napa (APC) to Sion (SIR) is 5,822 miles (9,369 km, 5,059 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from APC to SIR?
A nonstop flight takes about 11h 53m 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 Napa and Sion?
Sion is 9 hours ahead of Napa.
What is the cheapest way to fly from APC to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on APC–SIR that never appear on search engines, with no booking fees.