Need help booking?
Unpublished phone-only deals available
NXX to GRK: distance & flight time
Willow Grove (Willow Grove Naval Air Station/Joint Reserve Base) → Killeen (Robert Gray Army Air Field Airport)
1,416 mi
2,278 km · 1,230 nm
3h 33m
estimated nonstop flight time
-1h
time difference · heading west
See live NXX→GRK fares Phone-only fares on this route — call free
Flight time details
1,416 miles nonstop takes roughly 3h 33m gate to gate, flying west. 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
- NXX — Willow Grove Naval Air Station/Joint Reserve Base · Willow Grove, 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 NXX
- PHL · Philadelphia International Airport23 mi away
- BBX · Wings Field8 mi away
- DYL · Doylestown Airport9 mi away
- PNE · Northeast Philadelphia Airport11 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 NXX from GRK?
The flight distance from Willow Grove (NXX) to Killeen (GRK) is 1,416 miles (2,278 km, 1,230 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NXX to GRK?
A nonstop flight takes about 3h 33m 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 Willow Grove and Killeen?
Killeen is 1 hour behind Willow Grove.
What is the cheapest way to fly from NXX to GRK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NXX–GRK that never appear on search engines, with no booking fees.