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DCI to GTF: distance & flight time
Decimomannu (Decimomannu Air Base) → Great Falls (Great Falls International Airport)
5,408 mi
8,703 km · 4,699 nm
11h 4m
estimated nonstop flight time
-8h
time difference · heading northwest
See live DCI→GTF fares Phone-only fares on this route — call free
Flight time details
5,408 miles nonstop takes roughly 11h 4m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- DCI — Decimomannu Air Base · Decimomannu, Italy
- GTF — Great Falls International Airport · Great Falls, 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 DCI
- CAG · Cagliari Elmas Airport8 mi away
- FNU · Oristano-Fenosu Airport41 mi away
- TTB · Tortolì Airport54 mi away
- AHO · Alghero-Fertilia Airport95 mi away
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
Frequently asked questions
How far is DCI from GTF?
The flight distance from Decimomannu (DCI) to Great Falls (GTF) is 5,408 miles (8,703 km, 4,699 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DCI to GTF?
A nonstop flight takes about 11h 4m 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 Decimomannu and Great Falls?
Great Falls is 8 hours behind Decimomannu.
What is the cheapest way to fly from DCI to GTF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DCI–GTF that never appear on search engines, with no booking fees.