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DSO to RML: distance & flight time
Hamhung (Sondok Airport) → Colombo (Colombo Ratmalana Airport)
3,716 mi
5,980 km · 3,229 nm
7h 45m
estimated nonstop flight time
-3.5h
time difference · heading southwest
See live DSO→RML fares Phone-only fares on this route — call free
Flight time details
3,716 miles nonstop takes roughly 7h 45m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time set-back when reading arrival times on your ticket.
The two airports
- DSO — Sondok Airport · Hamhung, North Korea
- 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 DSO
- WOS · Wonsan Kalma International Airport40 mi away
- FNJ · Pyongyang Sunan International Airport103 mi away
- YNY · Yangyang International Airport133 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 DSO from RML?
The flight distance from Hamhung (DSO) to Colombo (RML) is 3,716 miles (5,980 km, 3,229 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DSO to RML?
A nonstop flight takes about 7h 45m 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 Hamhung and Colombo?
Colombo is 3.5 hours behind Hamhung.
What is the cheapest way to fly from DSO to RML?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DSO–RML that never appear on search engines, with no booking fees.