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HRI to GTF: distance & flight time
Mattala (Mattala Rajapaksa International Airport) → Great Falls (Great Falls International Airport)
8,644 mi
13,912 km · 7,512 nm
17h 25m
estimated nonstop flight time
-11.5h
time difference · heading north
See live HRI→GTF fares Phone-only fares on this route — call free
Flight time details
8,644 miles nonstop takes roughly 17h 25m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11.5-hour time set-back when reading arrival times on your ticket.
The two airports
- HRI — Mattala Rajapaksa International Airport · Mattala, Sri Lanka
- 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 HRI
- WRZ · Weerawila Airport8 mi away
- KCT · Koggala Airport59 mi away
- ADP · Ampara Airport81 mi away
- RML · Colombo Ratmalana Airport93 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 HRI from GTF?
The flight distance from Mattala (HRI) to Great Falls (GTF) is 8,644 miles (13,912 km, 7,512 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HRI to GTF?
A nonstop flight takes about 17h 25m 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 Mattala and Great Falls?
Great Falls is 11.5 hours behind Mattala.
What is the cheapest way to fly from HRI to GTF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HRI–GTF that never appear on search engines, with no booking fees.