Need help booking?
Unpublished phone-only deals available
RNT to HRI: distance & flight time
Renton (Renton Municipal Airport) → Mattala (Mattala Rajapaksa International Airport)
8,458 mi
13,611 km · 7,350 nm
17h 3m
estimated nonstop flight time
+12.5h
time difference · heading northwest
See live RNT→HRI fares Phone-only fares on this route — call free
Flight time details
8,458 miles nonstop takes roughly 17h 3m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12.5-hour time gain when reading arrival times on your ticket.
The two airports
- RNT — Renton Municipal Airport · Renton, 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 RNT
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 RNT from HRI?
The flight distance from Renton (RNT) to Mattala (HRI) is 8,458 miles (13,611 km, 7,350 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RNT to HRI?
A nonstop flight takes about 17h 3m 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 Renton and Mattala?
Mattala is 12.5 hours ahead of Renton.
What is the cheapest way to fly from RNT to HRI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RNT–HRI that never appear on search engines, with no booking fees.