Need help booking?
Unpublished phone-only deals available
GTF to AGJ: distance & flight time
Great Falls (Great Falls International Airport) → Aguni (Aguni Airport)
6,158 mi
9,911 km · 5,351 nm
12h 33m
estimated nonstop flight time
+15h
time difference · heading northwest
See live GTF→AGJ fares Phone-only fares on this route — call free
Flight time details
6,158 miles nonstop takes roughly 12h 33m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- GTF — Great Falls International Airport · Great Falls, United States
- AGJ — Aguni Airport · Aguni, Japan
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 GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 mi away
Near AGJ
- KJP · Kerama Airport29 mi away
- IEJ · Ie Jima Airport35 mi away
- DNA · Kadena Air Base36 mi away
- UEO · Kumejima Airport36 mi away
Frequently asked questions
How far is GTF from AGJ?
The flight distance from Great Falls (GTF) to Aguni (AGJ) is 6,158 miles (9,911 km, 5,351 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to AGJ?
A nonstop flight takes about 12h 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 Great Falls and Aguni?
Aguni is 15 hours ahead of Great Falls.
What is the cheapest way to fly from GTF to AGJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–AGJ that never appear on search engines, with no booking fees.