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HDN to GRK: distance & flight time
Hayden (Yampa Valley Airport) → Killeen (Robert Gray Army Air Field Airport)
836 mi
1,345 km · 726 nm
2h 17m
estimated nonstop flight time
+1h
time difference · heading southeast
See live HDN→GRK fares Phone-only fares on this route — call free
Flight time details
836 miles nonstop takes roughly 2h 17m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- HDN — Yampa Valley Airport · Hayden, United States
- GRK — Robert Gray Army Air Field Airport · Killeen, 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 HDN
- SBS · Steamboat Springs Bob Adams Field19 mi away
- EGE · Eagle County Regional Airport60 mi away
- SAA · Shively Field70 mi away
- RIL · Garfield County Regional Airport71 mi away
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
Frequently asked questions
How far is HDN from GRK?
The flight distance from Hayden (HDN) to Killeen (GRK) is 836 miles (1,345 km, 726 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HDN to GRK?
A nonstop flight takes about 2h 17m 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 Hayden and Killeen?
Killeen is 1 hour ahead of Hayden.
What is the cheapest way to fly from HDN to GRK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HDN–GRK that never appear on search engines, with no booking fees.