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HIO to CJJ: distance & flight time
Hillsboro (Portland Hillsboro Airport) → Chongju (Cheongju International Airport/Cheongju Air Base (K-59/G-513))
5,264 mi
8,471 km · 4,574 nm
10h 47m
estimated nonstop flight time
+16h
time difference · heading northwest
See live HIO→CJJ fares Phone-only fares on this route — call free
Flight time details
5,264 miles nonstop takes roughly 10h 47m 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
- HIO — Portland Hillsboro Airport · Hillsboro, 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 HIO
- PDX · Portland International Airport17 mi away
- TTD · Portland Troutdale Airport27 mi away
- KLS · Southwest Washington Regional Airport40 mi away
- OTK · Tillamook Airport43 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 HIO from CJJ?
The flight distance from Hillsboro (HIO) to Chongju (CJJ) is 5,264 miles (8,471 km, 4,574 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HIO to CJJ?
A nonstop flight takes about 10h 47m 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 Hillsboro and Chongju?
Chongju is 16 hours ahead of Hillsboro.
What is the cheapest way to fly from HIO to CJJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HIO–CJJ that never appear on search engines, with no booking fees.