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OKC to RML: distance & flight time
Oklahoma City (Will Rogers World Airport) → Colombo (Colombo Ratmalana Airport)
9,515 mi
15,314 km · 8,269 nm
19h 7m
estimated nonstop flight time
+10.5h
time difference · heading north
See live OKC→RML fares Phone-only fares on this route — call free
Flight time details
9,515 miles nonstop takes roughly 19h 7m 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
- OKC — Will Rogers World Airport · Oklahoma City, 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 OKC
- PWA · Wiley Post Airport10 mi away
- TIK · Tinker Air Force Base12 mi away
- SWO · Stillwater Regional Airport60 mi away
- CUH · Cushing Municipal Airport60 mi away
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 OKC from RML?
The flight distance from Oklahoma City (OKC) to Colombo (RML) is 9,515 miles (15,314 km, 8,269 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OKC to RML?
A nonstop flight takes about 19h 7m 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 Oklahoma City and Colombo?
Colombo is 10.5 hours ahead of Oklahoma City.
What is the cheapest way to fly from OKC to RML?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKC–RML that never appear on search engines, with no booking fees.