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GCC to HRI: distance & flight time
Gillette (Gillette Campbell County Airport) → Mattala (Mattala Rajapaksa International Airport)
8,914 mi
14,345 km · 7,746 nm
17h 57m
estimated nonstop flight time
+11.5h
time difference · heading north
See live GCC→HRI fares Phone-only fares on this route — call free
Flight time details
8,914 miles nonstop takes roughly 17h 57m 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
- GCC — Gillette Campbell County Airport · Gillette, United States
- HRI — Mattala Rajapaksa International Airport · Mattala, 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 GCC
- SHR · Sheridan County Airport77 mi away
- SPF · Black Hills Airport-Clyde Ice Field87 mi away
- CPR · Casper-Natrona County International Airport110 mi away
- RCA · Ellsworth Air Force Base121 mi away
Near HRI
- WRZ · Weerawila Airport8 mi away
- KCT · Koggala Airport59 mi away
- ADP · Ampara Airport81 mi away
- RML · Colombo Ratmalana Airport93 mi away
Frequently asked questions
How far is GCC from HRI?
The flight distance from Gillette (GCC) to Mattala (HRI) is 8,914 miles (14,345 km, 7,746 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GCC to HRI?
A nonstop flight takes about 17h 57m 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 Gillette and Mattala?
Mattala is 11.5 hours ahead of Gillette.
What is the cheapest way to fly from GCC to HRI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GCC–HRI that never appear on search engines, with no booking fees.