Need help booking?
Unpublished phone-only deals available
INI to GRK: distance & flight time
Nis (Nis Airport) → Killeen (Robert Gray Army Air Field Airport)
6,038 mi
9,717 km · 5,247 nm
12h 18m
estimated nonstop flight time
-7h
time difference · heading northwest
See live INI→GRK fares Phone-only fares on this route — call free
Flight time details
6,038 miles nonstop takes roughly 12h 18m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- INI — Nis Airport · Nis, Serbia
- 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 INI
- PRN · Priština International Airport67 mi away
- SOF · Sofia Airport90 mi away
- SKP · Skopje Alexander the Great Airport96 mi away
- CRA · Craiova Airport122 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 INI from GRK?
The flight distance from Nis (INI) to Killeen (GRK) is 6,038 miles (9,717 km, 5,247 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from INI to GRK?
A nonstop flight takes about 12h 18m 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 Nis and Killeen?
Killeen is 7 hours behind Nis.
What is the cheapest way to fly from INI to GRK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on INI–GRK that never appear on search engines, with no booking fees.