Need help booking?
Unpublished phone-only deals available
OSY to RML: distance & flight time
Namsos (Namsos Høknesøra Airport) → Colombo (Colombo Ratmalana Airport)
5,155 mi
8,297 km · 4,480 nm
10h 34m
estimated nonstop flight time
+3.5h
time difference · heading east
See live OSY→RML fares Phone-only fares on this route — call free
Flight time details
5,155 miles nonstop takes roughly 10h 34m gate to gate, flying east. 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
- OSY — Namsos Høknesøra Airport · Namsos, Norway
- 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 OSY
- RVK · Rørvik Airport, Ryum28 mi away
- BNN · Brønnøysund Airport71 mi away
- TRD · Trondheim Airport Værnes73 mi away
- OLA · Ørland Airport80 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 OSY from RML?
The flight distance from Namsos (OSY) to Colombo (RML) is 5,155 miles (8,297 km, 4,480 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSY to RML?
A nonstop flight takes about 10h 34m 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 Namsos and Colombo?
Colombo is 3.5 hours ahead of Namsos.
What is the cheapest way to fly from OSY to RML?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSY–RML that never appear on search engines, with no booking fees.