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GNT to HRI: distance & flight time
Grants (Grants-Milan Municipal Airport) → Mattala (Mattala Rajapaksa International Airport)
9,513 mi
15,310 km · 8,267 nm
19h 7m
estimated nonstop flight time
+11.5h
time difference · heading north
See live GNT→HRI fares Phone-only fares on this route — call free
Flight time details
9,513 miles nonstop takes roughly 19h 7m 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
- GNT — Grants-Milan Municipal Airport · Grants, 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 GNT
- GUP · Gallup Municipal Airport55 mi away
- ABQ · Albuquerque International Sunport74 mi away
- LAM · Los Alamos Airport104 mi away
- SAF · Santa Fe Municipal Airport107 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 GNT from HRI?
The flight distance from Grants (GNT) to Mattala (HRI) is 9,513 miles (15,310 km, 8,267 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GNT to HRI?
A nonstop flight takes about 19h 7m 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 Grants and Mattala?
Mattala is 11.5 hours ahead of Grants.
What is the cheapest way to fly from GNT to HRI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GNT–HRI that never appear on search engines, with no booking fees.