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DTB to FSI: distance & flight time
Siborong-Borong (Silangit Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
9,648 mi
15,527 km · 8,384 nm
19h 23m
estimated nonstop flight time
-12h
time difference · heading north
See live DTB→FSI fares Phone-only fares on this route — call free
Flight time details
9,648 miles nonstop takes roughly 19h 23m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- DTB — Silangit Airport · Siborong-Borong, Indonesia
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, 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 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 FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 mi away
Frequently asked questions
How far is DTB from FSI?
The flight distance from Siborong-Borong (DTB) to Fort Sill (FSI) is 9,648 miles (15,527 km, 8,384 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DTB to FSI?
A nonstop flight takes about 19h 23m 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 Fort Sill?
Fort Sill is 12 hours behind Siborong-Borong.
What is the cheapest way to fly from DTB to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DTB–FSI that never appear on search engines, with no booking fees.