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DTB to GRF: distance & flight time
Siborong-Borong (Silangit Airport) → Fort Lewis (Gray Army Air Field)
8,201 mi
13,199 km · 7,127 nm
16h 33m
estimated nonstop flight time
-14h
time difference · heading northeast
See live DTB→GRF fares Phone-only fares on this route — call free
Flight time details
8,201 miles nonstop takes roughly 16h 33m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- DTB — Silangit Airport · Siborong-Borong, Indonesia
- GRF — Gray Army Air Field · Fort Lewis, 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 GRF
- SEA · Seattle Tacoma International Airport29 mi away
- TCM · McChord Air Force Base6 mi away
- TIW · Tacoma Narrows Airport13 mi away
- OLM · Olympia Regional Airport17 mi away
Frequently asked questions
How far is DTB from GRF?
The flight distance from Siborong-Borong (DTB) to Fort Lewis (GRF) is 8,201 miles (13,199 km, 7,127 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DTB to GRF?
A nonstop flight takes about 16h 33m 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 Lewis?
Fort Lewis is 14 hours behind Siborong-Borong.
What is the cheapest way to fly from DTB to GRF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DTB–GRF that never appear on search engines, with no booking fees.