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GRK to FLZ: distance & flight time
Killeen (Robert Gray Army Air Field Airport) → Sibolga (Dr Ferdinand Lumban Tobing Airport)
9,929 mi
15,980 km · 8,628 nm
19h 56m
estimated nonstop flight time
+12h
time difference · heading northwest
See live GRK→FLZ fares Phone-only fares on this route — call free
Flight time details
9,929 miles nonstop takes roughly 19h 56m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- GRK — Robert Gray Army Air Field Airport · Killeen, United States
- FLZ — Dr Ferdinand Lumban Tobing Airport · Sibolga, Indonesia
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 GRK
- HLR · Hood Army Air Field8 mi away
- AUS · Austin Bergstrom International Airport61 mi away
- TPL · Draughon Miller Central Texas Regional Airport26 mi away
- ACT · Waco Regional Airport52 mi away
Near FLZ
- AEG · Aek Godang Airport39 mi away
- DTB · Silangit Airport49 mi away
- GNS · Binaka Airport86 mi away
- PPR · Pasir Pangaraan Airport113 mi away
Frequently asked questions
How far is GRK from FLZ?
The flight distance from Killeen (GRK) to Sibolga (FLZ) is 9,929 miles (15,980 km, 8,628 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRK to FLZ?
A nonstop flight takes about 19h 56m 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 Killeen and Sibolga?
Sibolga is 12 hours ahead of Killeen.
What is the cheapest way to fly from GRK to FLZ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRK–FLZ that never appear on search engines, with no booking fees.