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RNT to RML: distance & flight time
Renton (Renton Municipal Airport) → Colombo (Colombo Ratmalana Airport)
8,449 mi
13,597 km · 7,342 nm
17h 2m
estimated nonstop flight time
+12.5h
time difference · heading northwest
See live RNT→RML fares Phone-only fares on this route — call free
Flight time details
8,449 miles nonstop takes roughly 17h 2m 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
- RML — Colombo Ratmalana Airport · Colombo, 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 RML
- CMB · Bandaranaike International Colombo Airport25 mi away
- KCT · Koggala Airport65 mi away
- HRI · Mattala Rajapaksa International Airport93 mi away
- GIU · Sigiriya Air Force Base97 mi away
Frequently asked questions
How far is RNT from RML?
The flight distance from Renton (RNT) to Colombo (RML) is 8,449 miles (13,597 km, 7,342 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RNT to RML?
A nonstop flight takes about 17h 2m 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 Colombo?
Colombo is 12.5 hours ahead of Renton.
What is the cheapest way to fly from RNT to RML?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RNT–RML that never appear on search engines, with no booking fees.