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NGS to SFO: distance & flight time
Nagasaki (Nagasaki Airport) → San Francisco (San Francisco International Airport)
5,705 mi
9,181 km · 4,957 nm
11h 39m
estimated nonstop flight time
-16h
time difference · heading northeast
See live NGS→SFO fares Phone-only fares on this route — call free
Flight time details
5,705 miles nonstop takes roughly 11h 39m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.
The two airports
- NGS — Nagasaki Airport · Nagasaki, Japan
- SFO — San Francisco International Airport · San Francisco, 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 NGS
- HSG · Saga Airport28 mi away
- AXJ · Amakusa Airport33 mi away
- KMJ · Kumamoto Airport55 mi away
- FUK · Fukuoka Airport56 mi away
Near SFO
- SQL · San Carlos Airport10 mi away
- HAF · Half Moon Bay Airport10 mi away
- OAK · Metropolitan Oakland International Airport11 mi away
- NGZ · Alameda Naval Air Station12 mi away
Frequently asked questions
How far is NGS from SFO?
The flight distance from Nagasaki (NGS) to San Francisco (SFO) is 5,705 miles (9,181 km, 4,957 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NGS to SFO?
A nonstop flight takes about 11h 39m 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 Nagasaki and San Francisco?
San Francisco is 16 hours behind Nagasaki.
What is the cheapest way to fly from NGS to SFO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NGS–SFO that never appear on search engines, with no booking fees.