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RLK to CMB: distance & flight time
Bayannur (Bayannur Tianjitai Airport) → Colombo (Bandaranaike International Colombo Airport)
2,893 mi
4,656 km · 2,514 nm
6h 8m
estimated nonstop flight time
-2.5h
time difference · heading southwest
See live RLK→CMB fares Phone-only fares on this route — call free
Flight time details
2,893 miles nonstop takes roughly 6h 8m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2.5-hour time set-back when reading arrival times on your ticket.
The two airports
- RLK — Bayannur Tianjitai Airport · Bayannur, China
- 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 RLK
- WUA · Wuhai Airport93 mi away
- BAV · Baotou Airport121 mi away
- DSN · Ordos Ejin Horo Airport149 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 RLK from CMB?
The flight distance from Bayannur (RLK) to Colombo (CMB) is 2,893 miles (4,656 km, 2,514 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RLK to CMB?
A nonstop flight takes about 6h 8m 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 Bayannur and Colombo?
Colombo is 2.5 hours behind Bayannur.
What is the cheapest way to fly from RLK to CMB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RLK–CMB that never appear on search engines, with no booking fees.