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GRK to MMI: distance & flight time
Killeen (Robert Gray Army Air Field Airport) → Athens (McMinn County Airport)
822 mi
1,323 km · 714 nm
2h 15m
estimated nonstop flight time
+1h
time difference · heading northeast
See live GRK→MMI fares Phone-only fares on this route — call free
Flight time details
822 miles nonstop takes roughly 2h 15m gate to gate, flying northeast. 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
- GRK — Robert Gray Army Air Field Airport · Killeen, United States
- MMI — McMinn County Airport · Athens, 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 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 MMI
- HDI · Hardwick Field20 mi away
- TYS · McGhee Tyson Airport43 mi away
- CHA · Lovell Field44 mi away
- CSV · Crossville Memorial Whitson Field48 mi away
Frequently asked questions
How far is GRK from MMI?
The flight distance from Killeen (GRK) to Athens (MMI) is 822 miles (1,323 km, 714 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRK to MMI?
A nonstop flight takes about 2h 15m 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 Athens?
Athens is 1 hour ahead of Killeen.
What is the cheapest way to fly from GRK to MMI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRK–MMI that never appear on search engines, with no booking fees.