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RDU to CMB: distance & flight time
Raleigh-durham (Raleigh Durham International Airport) → Colombo (Bandaranaike International Colombo Airport)
9,155 mi
14,733 km · 7,955 nm
18h 25m
estimated nonstop flight time
+9.5h
time difference · heading northeast
See live RDU→CMB fares Phone-only fares on this route — call free
Flight time details
9,155 miles nonstop takes roughly 18h 25m 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
- CMB — Bandaranaike International Colombo 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 CMB
- RML · Colombo Ratmalana Airport25 mi away
- GIU · Sigiriya Air Force Base79 mi away
- ACJ · Anuradhapura Air Force Base86 mi away
- KCT · Koggala Airport87 mi away
Frequently asked questions
How far is RDU from CMB?
The flight distance from Raleigh-durham (RDU) to Colombo (CMB) is 9,155 miles (14,733 km, 7,955 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RDU to CMB?
A nonstop flight takes about 18h 25m 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 CMB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RDU–CMB that never appear on search engines, with no booking fees.