Need help booking?
Unpublished phone-only deals available
ONQ to SFO: distance & flight time
Zonguldak (Zonguldak Airport) → San Francisco (San Francisco International Airport)
6,737 mi
10,843 km · 5,855 nm
13h 41m
estimated nonstop flight time
-10h
time difference · heading north
See live ONQ→SFO fares Phone-only fares on this route — call free
Flight time details
6,737 miles nonstop takes roughly 13h 41m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10-hour time set-back when reading arrival times on your ticket.
The two airports
- ONQ — Zonguldak Airport · Zonguldak, Turkey
- 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 ONQ
- KFS · Kastamonu Airport89 mi away
- ESB · Esenboğa International Airport106 mi away
- ANK · Etimesgut Air Base112 mi away
- KCO · Cengiz Topel Airport117 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 ONQ from SFO?
The flight distance from Zonguldak (ONQ) to San Francisco (SFO) is 6,737 miles (10,843 km, 5,855 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONQ to SFO?
A nonstop flight takes about 13h 41m 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 Zonguldak and San Francisco?
San Francisco is 10 hours behind Zonguldak.
What is the cheapest way to fly from ONQ to SFO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONQ–SFO that never appear on search engines, with no booking fees.