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ADM to HRI: distance & flight time
Ardmore (Ardmore Municipal Airport) → Mattala (Mattala Rajapaksa International Airport)
9,630 mi
15,498 km · 8,368 nm
19h 21m
estimated nonstop flight time
+10.5h
time difference · heading north
See live ADM→HRI fares Phone-only fares on this route — call free
Flight time details
9,630 miles nonstop takes roughly 19h 21m 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
- ADM — Ardmore Municipal Airport · Ardmore, 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 ADM
- ADT · Ada Regional Airport40 mi away
- DUC · Halliburton Field55 mi away
- DFW · Dallas Fort Worth International Airport97 mi away
- TIK · Tinker Air Force Base80 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 ADM from HRI?
The flight distance from Ardmore (ADM) to Mattala (HRI) is 9,630 miles (15,498 km, 8,368 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ADM to HRI?
A nonstop flight takes about 19h 21m 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 Ardmore and Mattala?
Mattala is 10.5 hours ahead of Ardmore.
What is the cheapest way to fly from ADM to HRI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ADM–HRI that never appear on search engines, with no booking fees.