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GRK to KEF: distance & flight time
Killeen (Robert Gray Army Air Field Airport) → Keflavik (Keflavik International Airport)
3,867 mi
6,224 km · 3,361 nm
8h 3m
estimated nonstop flight time
+5h
time difference · heading northeast
See live GRK→KEF fares Phone-only fares on this route — call free
Flight time details
3,867 miles nonstop takes roughly 8h 3m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- GRK — Robert Gray Army Air Field Airport · Killeen, United States
- KEF — Keflavik International Airport · Keflavik, Iceland
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 KEF
- RKV · Reykjavik Airport22 mi away
- GUU · Grundarfjörður Airport72 mi away
- VEY · Vestmannaeyjar Airport81 mi away
- PFJ · Patreksfjörður Airport116 mi away
Frequently asked questions
How far is GRK from KEF?
The flight distance from Killeen (GRK) to Keflavik (KEF) is 3,867 miles (6,224 km, 3,361 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRK to KEF?
A nonstop flight takes about 8h 3m 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 Keflavik?
Keflavik is 5 hours ahead of Killeen.
What is the cheapest way to fly from GRK to KEF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRK–KEF that never appear on search engines, with no booking fees.