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RML to SSN: distance & flight time
Colombo (Colombo Ratmalana Airport) → Seoul East (Seoul Air Base (K-16))
3,633 mi
5,847 km · 3,157 nm
7h 35m
estimated nonstop flight time
+3.5h
time difference · heading northeast
See live RML→SSN fares Phone-only fares on this route — call free
Flight time details
3,633 miles nonstop takes roughly 7h 35m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time gain when reading arrival times on your ticket.
The two airports
- RML — Colombo Ratmalana Airport · Colombo, Sri Lanka
- SSN — Seoul Air Base (K-16) · Seoul East, South Korea
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 SSN
- ICN · Incheon International Airport36 mi away
- SWU · Suwon Airport15 mi away
- GMP · Gimpo International Airport19 mi away
- OSN · Osan Air Base25 mi away
Frequently asked questions
How far is RML from SSN?
The flight distance from Colombo (RML) to Seoul East (SSN) is 3,633 miles (5,847 km, 3,157 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RML to SSN?
A nonstop flight takes about 7h 35m 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 Seoul East?
Seoul East is 3.5 hours ahead of Colombo.
What is the cheapest way to fly from RML to SSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RML–SSN that never appear on search engines, with no booking fees.