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DTB to KUM: distance & flight time
Siborong-Borong (Silangit Airport) → Yakushima (Yakushima Airport)
2,840 mi
4,570 km · 2,468 nm
6h 2m
estimated nonstop flight time
+2h
time difference · heading northeast
See live DTB→KUM fares Phone-only fares on this route — call free
Flight time details
2,840 miles nonstop takes roughly 6h 2m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- DTB — Silangit Airport · Siborong-Borong, Indonesia
- 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 DTB
- FLZ · Dr Ferdinand Lumban Tobing Airport49 mi away
- AEG · Aek Godang Airport67 mi away
- MES · Soewondo Air Force Base92 mi away
- KNO · Kualanamu International Airport96 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 DTB from KUM?
The flight distance from Siborong-Borong (DTB) to Yakushima (KUM) is 2,840 miles (4,570 km, 2,468 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DTB to KUM?
A nonstop flight takes about 6h 2m 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 Siborong-Borong and Yakushima?
Yakushima is 2 hours ahead of Siborong-Borong.
What is the cheapest way to fly from DTB to KUM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DTB–KUM that never appear on search engines, with no booking fees.