Need help booking?
Unpublished phone-only deals available
CJJ to KUM: distance & flight time
Chongju (Cheongju International Airport/Cheongju Air Base (K-59/G-513)) → Yakushima (Yakushima Airport)
474 mi
762 km · 412 nm
1h 30m
estimated nonstop flight time
Same time
time difference · heading southeast
See live CJJ→KUM fares Phone-only fares on this route — call free
Flight time details
474 miles nonstop takes roughly 1h 30m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- CJJ — Cheongju International Airport/Cheongju Air Base (K-59/G-513) · Chongju, South Korea
- KUM — Yakushima Airport · Yakushima, Japan
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 KUM
- TNE · New Tanegashima Airport25 mi away
- KOJ · Kagoshima Airport98 mi away
- KMI · Miyazaki Airport113 mi away
- ASJ · Amami Airport147 mi away
Frequently asked questions
How far is CJJ from KUM?
The flight distance from Chongju (CJJ) to Yakushima (KUM) is 474 miles (762 km, 412 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CJJ to KUM?
A nonstop flight takes about 1h 30m 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 cheapest way to fly from CJJ to KUM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CJJ–KUM that never appear on search engines, with no booking fees.