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CJJ to GAI: distance & flight time
Chongju (Cheongju International Airport/Cheongju Air Base (K-59/G-513)) → Gaithersburg (Montgomery County Airpark)
6,964 mi
11,207 km · 6,051 nm
14h 7m
estimated nonstop flight time
-14h
time difference · heading north
See live CJJ→GAI fares Phone-only fares on this route — call free
Flight time details
6,964 miles nonstop takes roughly 14h 7m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-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
- GAI — Montgomery County Airpark · Gaithersburg, 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 GAI
Frequently asked questions
How far is CJJ from GAI?
The flight distance from Chongju (CJJ) to Gaithersburg (GAI) is 6,964 miles (11,207 km, 6,051 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CJJ to GAI?
A nonstop flight takes about 14h 7m 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 GAI?
Nonstop service on CJJ–GAI 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 14h 7m nonstop estimate.
What is the time difference between Chongju and Gaithersburg?
Gaithersburg is 14 hours behind Chongju.
What is the cheapest way to fly from CJJ to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CJJ–GAI that never appear on search engines, with no booking fees.
Why are some CJJ to GAI fares phone-only?
Consolidator contracts let us sell certain CJJ–GAI 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.