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RML to DMK: distance & flight time
Colombo (Colombo Ratmalana Airport) → Bangkok (Don Mueang International Airport)
1,490 mi
2,398 km · 1,295 nm
3h 42m
estimated nonstop flight time
+1.5h
time difference · heading east
See live RML→DMK fares Phone-only fares on this route — call free
Flight time details
1,490 miles nonstop takes roughly 3h 42m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.5-hour time gain when reading arrival times on your ticket.
The two airports
- RML — Colombo Ratmalana Airport · Colombo, Sri Lanka
- DMK — Don Mueang International Airport · Bangkok, Thailand
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 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
Near DMK
- BKK · Suvarnabhumi Airport19 mi away
- KDT · Kamphaeng Saen Airport48 mi away
- UTP · U-Tapao International Airport89 mi away
- TKH · Takhli Airport97 mi away
Frequently asked questions
How far is RML from DMK?
The flight distance from Colombo (RML) to Bangkok (DMK) is 1,490 miles (2,398 km, 1,295 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RML to DMK?
A nonstop flight takes about 3h 42m 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 Colombo and Bangkok?
Bangkok is 1.5 hours ahead of Colombo.
What is the cheapest way to fly from RML to DMK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RML–DMK that never appear on search engines, with no booking fees.