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CJJ to SQL: distance & flight time
Chongju (Cheongju International Airport/Cheongju Air Base (K-59/G-513)) → San Carlos (San Carlos Airport)
5,647 mi
9,087 km · 4,907 nm
11h 32m
estimated nonstop flight time
-16h
time difference · heading northeast
See live CJJ→SQL fares Phone-only fares on this route — call free
Flight time details
5,647 miles nonstop takes roughly 11h 32m 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
- CJJ — Cheongju International Airport/Cheongju Air Base (K-59/G-513) · Chongju, South Korea
- SQL — San Carlos Airport · San Carlos, 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 CJJ
- OSN · Osan Air Base37 mi away
- ICN · Incheon International Airport78 mi away
- SWU · Suwon Airport45 mi away
- YEC · Yecheon Airbase48 mi away
Near SQL
- SFO · San Francisco International Airport10 mi away
- PAO · Palo Alto Airport of Santa Clara County8 mi away
- HWD · Hayward Executive Airport12 mi away
- NUQ · Moffett Federal Airfield13 mi away
Frequently asked questions
How far is CJJ from SQL?
The flight distance from Chongju (CJJ) to San Carlos (SQL) is 5,647 miles (9,087 km, 4,907 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CJJ to SQL?
A nonstop flight takes about 11h 32m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from CJJ to SQL?
Nonstop service on CJJ–SQL depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 11h 32m nonstop estimate.
What is the time difference between Chongju and San Carlos?
San Carlos is 16 hours behind Chongju.
What is the cheapest way to fly from CJJ to SQL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CJJ–SQL that never appear on search engines, with no booking fees.
Why are some CJJ to SQL fares phone-only?
Consolidator contracts let us sell certain CJJ–SQL tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.