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DTB to RML: distance & flight time
Siborong-Borong (Silangit Airport) → Colombo (Colombo Ratmalana Airport)
1,353 mi
2,177 km · 1,176 nm
3h 24m
estimated nonstop flight time
-1.5h
time difference · heading west
See live DTB→RML fares Phone-only fares on this route — call free
Flight time details
1,353 miles nonstop takes roughly 3h 24m 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
- DTB — Silangit Airport · Siborong-Borong, Indonesia
- 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 DTB
- FLZ · Dr Ferdinand Lumban Tobing Airport49 mi away
- AEG · Aek Godang Airport67 mi away
- MES · Soewondo Air Force Base92 mi away
- KNO · Kualanamu International Airport96 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 DTB from RML?
The flight distance from Siborong-Borong (DTB) to Colombo (RML) is 1,353 miles (2,177 km, 1,176 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DTB to RML?
A nonstop flight takes about 3h 24m 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 Siborong-Borong and Colombo?
Colombo is 1.5 hours behind Siborong-Borong.
What is the cheapest way to fly from DTB to RML?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DTB–RML that never appear on search engines, with no booking fees.