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BIR to RML: distance & flight time
Biratnagar (Biratnagar Airport) → Colombo (Colombo Ratmalana Airport)
1,442 mi
2,321 km · 1,253 nm
3h 36m
estimated nonstop flight time
-0.2h
time difference · heading south
See live BIR→RML fares Phone-only fares on this route — call free
Flight time details
1,442 miles nonstop takes roughly 3h 36m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 0.2-hour time set-back when reading arrival times on your ticket.
The two airports
- BIR — Biratnagar Airport · Biratnagar, Nepal
- 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 BIR
- RJB · Rajbiraj Airport33 mi away
- BHP · Bhojpur Airport48 mi away
- BDP · Bhadrapur Airport51 mi away
- TMI · Tumling Tar Airport58 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 BIR from RML?
The flight distance from Biratnagar (BIR) to Colombo (RML) is 1,442 miles (2,321 km, 1,253 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BIR to RML?
A nonstop flight takes about 3h 36m 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 Biratnagar and Colombo?
Colombo is 0.2 hours behind Biratnagar.
What is the cheapest way to fly from BIR to RML?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BIR–RML that never appear on search engines, with no booking fees.