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STS to ONQ: distance & flight time
Santa Rosa (Charles M. Schulz Sonoma County Airport) → Zonguldak (Zonguldak Airport)
6,687 mi
10,761 km · 5,811 nm
13h 35m
estimated nonstop flight time
+10h
time difference · heading north
See live STS→ONQ fares Phone-only fares on this route — call free
Flight time details
6,687 miles nonstop takes roughly 13h 35m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10-hour time gain when reading arrival times on your ticket.
The two airports
- STS — Charles M. Schulz Sonoma County Airport · Santa Rosa, United States
- ONQ — Zonguldak Airport · Zonguldak, Turkey
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 STS
- SFO · San Francisco International Airport66 mi away
- NOT · Marin County Airport - Gnoss Field29 mi away
- APC · Napa County Airport35 mi away
- UKI · Ukiah Municipal Airport47 mi away
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
Frequently asked questions
How far is STS from ONQ?
The flight distance from Santa Rosa (STS) to Zonguldak (ONQ) is 6,687 miles (10,761 km, 5,811 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STS to ONQ?
A nonstop flight takes about 13h 35m 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 Santa Rosa and Zonguldak?
Zonguldak is 10 hours ahead of Santa Rosa.
What is the cheapest way to fly from STS to ONQ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STS–ONQ that never appear on search engines, with no booking fees.