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RDU to RML: distance & flight time
Raleigh-durham (Raleigh Durham International Airport) → Colombo (Colombo Ratmalana Airport)
9,178 mi
14,770 km · 7,975 nm
18h 28m
estimated nonstop flight time
+9.5h
time difference · heading northeast
See live RDU→RML fares Phone-only fares on this route — call free
Flight time details
9,178 miles nonstop takes roughly 18h 28m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.5-hour time gain when reading arrival times on your ticket.
The two airports
- RDU — Raleigh Durham International Airport · Raleigh-durham, 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 RDU
- POB · Pope Field50 mi away
- RWI · Rocky Mount Wilson Regional Airport50 mi away
- FBG · Simmons Army Air Field52 mi away
- SOP · Moore County Airport56 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 RDU from RML?
The flight distance from Raleigh-durham (RDU) to Colombo (RML) is 9,178 miles (14,770 km, 7,975 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RDU to RML?
A nonstop flight takes about 18h 28m 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 Raleigh-durham and Colombo?
Colombo is 9.5 hours ahead of Raleigh-durham.
What is the cheapest way to fly from RDU to RML?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RDU–RML that never appear on search engines, with no booking fees.