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RBE to CMB: distance & flight time
Ratanakiri (Ratanakiri Airport) → Colombo (Bandaranaike International Colombo Airport)
1,895 mi
3,049 km · 1,646 nm
4h 11m
estimated nonstop flight time
-1.5h
time difference · heading west
See live RBE→CMB fares Phone-only fares on this route — call free
Flight time details
1,895 miles nonstop takes roughly 4h 11m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.5-hour time set-back when reading arrival times on your ticket.
The two airports
- RBE — Ratanakiri Airport · Ratanakiri, Cambodia
- 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 RBE
- TNX · Stung Treng Airport67 mi away
- PXU · Pleiku Airport72 mi away
- AOU · Attopeu Airport76 mi away
- BMV · Buon Ma Thuot Airport106 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 RBE from CMB?
The flight distance from Ratanakiri (RBE) to Colombo (CMB) is 1,895 miles (3,049 km, 1,646 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RBE to CMB?
A nonstop flight takes about 4h 11m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from RBE to CMB?
Nonstop service on RBE–CMB depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 4h 11m nonstop estimate.
What is the time difference between Ratanakiri and Colombo?
Colombo is 1.5 hours behind Ratanakiri.
What is the cheapest way to fly from RBE to CMB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RBE–CMB that never appear on search engines, with no booking fees.
Why are some RBE to CMB fares phone-only?
Consolidator contracts let us sell certain RBE–CMB tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.