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STS to CJJ: distance & flight time
Santa Rosa (Charles M. Schulz Sonoma County Airport) → Chongju (Cheongju International Airport/Cheongju Air Base (K-59/G-513))
5,579 mi
8,978 km · 4,848 nm
11h 24m
estimated nonstop flight time
+16h
time difference · heading northwest
See live STS→CJJ fares Phone-only fares on this route — call free
Flight time details
5,579 miles nonstop takes roughly 11h 24m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- STS — Charles M. Schulz Sonoma County Airport · Santa Rosa, United States
- CJJ — Cheongju International Airport/Cheongju Air Base (K-59/G-513) · Chongju, South Korea
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 CJJ
- OSN · Osan Air Base37 mi away
- ICN · Incheon International Airport78 mi away
- SWU · Suwon Airport45 mi away
- YEC · Yecheon Airbase48 mi away
Frequently asked questions
How far is STS from CJJ?
The flight distance from Santa Rosa (STS) to Chongju (CJJ) is 5,579 miles (8,978 km, 4,848 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STS to CJJ?
A nonstop flight takes about 11h 24m 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 Chongju?
Chongju is 16 hours ahead of Santa Rosa.
What is the cheapest way to fly from STS to CJJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STS–CJJ that never appear on search engines, with no booking fees.