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CAT to GRK: distance & flight time
Cascais (Cascais Airport) → Killeen (Robert Gray Army Air Field Airport)
4,842 mi
7,793 km · 4,208 nm
9h 58m
estimated nonstop flight time
-6h
time difference · heading northwest
See live CAT→GRK fares Phone-only fares on this route — call free
Flight time details
4,842 miles nonstop takes roughly 9h 58m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- CAT — Cascais Airport · Cascais, Portugal
- 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 CAT
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)12 mi away
- AVR · Alverca Air Base21 mi away
- QLR · Monte Real Air Base80 mi away
- BYJ · Beja Airport / Airbase89 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 CAT from GRK?
The flight distance from Cascais (CAT) to Killeen (GRK) is 4,842 miles (7,793 km, 4,208 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CAT to GRK?
A nonstop flight takes about 9h 58m 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 Cascais and Killeen?
Killeen is 6 hours behind Cascais.
What is the cheapest way to fly from CAT to GRK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CAT–GRK that never appear on search engines, with no booking fees.