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ALO to CJJ: distance & flight time
Waterloo (Waterloo Regional Airport) → Chongju (Cheongju International Airport/Cheongju Air Base (K-59/G-513))
6,411 mi
10,318 km · 5,571 nm
13h 2m
estimated nonstop flight time
+15h
time difference · heading northwest
See live ALO→CJJ fares Phone-only fares on this route — call free
Flight time details
6,411 miles nonstop takes roughly 13h 2m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- ALO — Waterloo Regional Airport · Waterloo, 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 ALO
- CCY · Northeast Iowa Regional Airport37 mi away
- CID · The Eastern Iowa Airport58 mi away
- MCW · Mason City Municipal Airport63 mi away
- PCD · Prairie Du Chien Municipal Airport72 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 ALO from CJJ?
The flight distance from Waterloo (ALO) to Chongju (CJJ) is 6,411 miles (10,318 km, 5,571 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALO to CJJ?
A nonstop flight takes about 13h 2m 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 ALO to CJJ?
Nonstop service on ALO–CJJ 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 13h 2m nonstop estimate.
What is the time difference between Waterloo and Chongju?
Chongju is 15 hours ahead of Waterloo.
What is the cheapest way to fly from ALO to CJJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALO–CJJ that never appear on search engines, with no booking fees.
Why are some ALO to CJJ fares phone-only?
Consolidator contracts let us sell certain ALO–CJJ 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.