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SLP to GRK: distance & flight time
San Luis Potosi (Ponciano Arriaga International Airport) → Killeen (Robert Gray Army Air Field Airport)
638 mi
1,027 km · 555 nm
1h 51m
estimated nonstop flight time
+1h
time difference · heading north
See live SLP→GRK fares Phone-only fares on this route — call free
Flight time details
638 miles nonstop takes roughly 1h 51m gate to gate, flying north. 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
- SLP — Ponciano Arriaga International Airport · San Luis Potosi, Mexico
- 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 SLP
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 SLP from GRK?
The flight distance from San Luis Potosi (SLP) to Killeen (GRK) is 638 miles (1,027 km, 555 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SLP to GRK?
A nonstop flight takes about 1h 51m 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 San Luis Potosi and Killeen?
Killeen is 1 hour ahead of San Luis Potosi.
What is the cheapest way to fly from SLP to GRK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SLP–GRK that never appear on search engines, with no booking fees.