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ADT to HRI: distance & flight time
Ada (Ada Regional Airport) → Mattala (Mattala Rajapaksa International Airport)
9,594 mi
15,440 km · 8,337 nm
19h 17m
estimated nonstop flight time
+10.5h
time difference · heading north
See live ADT→HRI fares Phone-only fares on this route — call free
Flight time details
9,594 miles nonstop takes roughly 19h 17m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.5-hour time gain when reading arrival times on your ticket.
The two airports
- ADT — Ada Regional Airport · Ada, 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 ADT
- ADM · Ardmore Municipal Airport40 mi away
- MLC · Mc Alester Regional Airport51 mi away
- TIK · Tinker Air Force Base58 mi away
- OKC · Will Rogers World Airport66 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 ADT from HRI?
The flight distance from Ada (ADT) to Mattala (HRI) is 9,594 miles (15,440 km, 8,337 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ADT to HRI?
A nonstop flight takes about 19h 17m 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 Ada and Mattala?
Mattala is 10.5 hours ahead of Ada.
What is the cheapest way to fly from ADT to HRI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ADT–HRI that never appear on search engines, with no booking fees.