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YSM to GRK: distance & flight time
Fort Smith (Fort Smith Airport) → Killeen (Robert Gray Army Air Field Airport)
2,104 mi
3,386 km · 1,828 nm
4h 36m
estimated nonstop flight time
+1h
time difference · heading southeast
See live YSM→GRK fares Phone-only fares on this route — call free
Flight time details
2,104 miles nonstop takes roughly 4h 36m 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
- YSM — Fort Smith Airport · Fort Smith, Canada
- 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 YSM
- YPY · Fort Chipewyan Airport92 mi away
- YFR · Fort Resolution Airport99 mi away
- YBE · Uranium City Airport125 mi away
- YHY · Hay River / Merlyn Carter Airport142 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 YSM from GRK?
The flight distance from Fort Smith (YSM) to Killeen (GRK) is 2,104 miles (3,386 km, 1,828 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSM to GRK?
A nonstop flight takes about 4h 36m 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 Fort Smith and Killeen?
Killeen is 1 hour ahead of Fort Smith.
What is the cheapest way to fly from YSM to GRK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSM–GRK that never appear on search engines, with no booking fees.