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KDT to RML: distance & flight time
Nakhon Pathom (Kamphaeng Saen Airport) → Colombo (Colombo Ratmalana Airport)
1,450 mi
2,333 km · 1,260 nm
3h 37m
estimated nonstop flight time
-1.5h
time difference · heading west
See live KDT→RML fares Phone-only fares on this route — call free
Flight time details
1,450 miles nonstop takes roughly 3h 37m 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
- KDT — Kamphaeng Saen Airport · Nakhon Pathom, Thailand
- 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 KDT
- DMK · Don Mueang International Airport48 mi away
- BKK · Suvarnabhumi Airport63 mi away
- TKH · Takhli Airport85 mi away
- HHQ · Hua Hin Airport101 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 KDT from RML?
The flight distance from Nakhon Pathom (KDT) to Colombo (RML) is 1,450 miles (2,333 km, 1,260 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KDT to RML?
A nonstop flight takes about 3h 37m 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 Nakhon Pathom and Colombo?
Colombo is 1.5 hours behind Nakhon Pathom.
What is the cheapest way to fly from KDT to RML?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KDT–RML that never appear on search engines, with no booking fees.