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SYO to SFO: distance & flight time
Shonai (Shonai Airport) → San Francisco (San Francisco International Airport)
5,019 mi
8,077 km · 4,361 nm
10h 18m
estimated nonstop flight time
-16h
time difference · heading northeast
See live SYO→SFO fares Phone-only fares on this route — call free
Flight time details
5,019 miles nonstop takes roughly 10h 18m 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
- SYO — Shonai Airport · Shonai, 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 SYO
- GAJ · Yamagata Airport42 mi away
- AXT · Akita Airport60 mi away
- KIJ · Niigata Airport69 mi away
- SDJ · Sendai Airport77 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 SYO from SFO?
The flight distance from Shonai (SYO) to San Francisco (SFO) is 5,019 miles (8,077 km, 4,361 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SYO to SFO?
A nonstop flight takes about 10h 18m 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 Shonai and San Francisco?
San Francisco is 16 hours behind Shonai.
What is the cheapest way to fly from SYO to SFO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SYO–SFO that never appear on search engines, with no booking fees.