Need help booking?
Unpublished phone-only deals available
GRK to REX: distance & flight time
Killeen (Robert Gray Army Air Field Airport) → Reynosa (General Lucio Blanco International Airport)
350 mi
564 km · 304 nm
1h 23m
estimated nonstop flight time
-1h
time difference · heading south
See live GRK→REX fares Phone-only fares on this route — call free
Flight time details
350 miles nonstop takes roughly 1h 23m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- GRK — Robert Gray Army Air Field Airport · Killeen, United States
- REX — General Lucio Blanco International Airport · Reynosa, Mexico
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 REX
Frequently asked questions
How far is GRK from REX?
The flight distance from Killeen (GRK) to Reynosa (REX) is 350 miles (564 km, 304 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRK to REX?
A nonstop flight takes about 1h 23m 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 Reynosa?
Reynosa is 1 hour behind Killeen.
What is the cheapest way to fly from GRK to REX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRK–REX that never appear on search engines, with no booking fees.