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HRI to ADT: distance & flight time
Mattala (Mattala Rajapaksa International Airport) → Ada (Ada Regional Airport)
9,594 mi
15,440 km · 8,337 nm
19h 17m
estimated nonstop flight time
-10.5h
time difference · heading north
See live HRI→ADT 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 set-back when reading arrival times on your ticket.
The two airports
- HRI — Mattala Rajapaksa International Airport · Mattala, Sri Lanka
- ADT — Ada Regional Airport · Ada, 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 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
Frequently asked questions
How far is HRI from ADT?
The flight distance from Mattala (HRI) to Ada (ADT) 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 HRI to ADT?
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 Mattala and Ada?
Ada is 10.5 hours behind Mattala.
What is the cheapest way to fly from HRI to ADT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HRI–ADT that never appear on search engines, with no booking fees.