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GTF to JAF: distance & flight time
Great Falls (Great Falls International Airport) → Jaffna (Kankesanturai Airport)
8,418 mi
13,547 km · 7,315 nm
16h 58m
estimated nonstop flight time
+11.5h
time difference · heading north
See live GTF→JAF fares Phone-only fares on this route — call free
Flight time details
8,418 miles nonstop takes roughly 16h 58m 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 gain when reading arrival times on your ticket.
The two airports
- GTF — Great Falls International Airport · Great Falls, United States
- JAF — Kankesanturai Airport · Jaffna, Sri Lanka
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 JAF
- TJV · Tanjore Air Force Base92 mi away
- ACJ · Anuradhapura Air Force Base106 mi away
- TRZ · Tiruchirapally Civil Airport Airport114 mi away
- TRR · China Bay Airport115 mi away
Frequently asked questions
How far is GTF from JAF?
The flight distance from Great Falls (GTF) to Jaffna (JAF) is 8,418 miles (13,547 km, 7,315 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to JAF?
A nonstop flight takes about 16h 58m 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 Jaffna?
Jaffna is 11.5 hours ahead of Great Falls.
What is the cheapest way to fly from GTF to JAF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–JAF that never appear on search engines, with no booking fees.