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OSP to RML: distance & flight time
Slupsk (Redzikowo Air Base) → Colombo (Colombo Ratmalana Airport)
4,758 mi
7,657 km · 4,135 nm
9h 48m
estimated nonstop flight time
+3.5h
time difference · heading east
See live OSP→RML fares Phone-only fares on this route — call free
Flight time details
4,758 miles nonstop takes roughly 9h 48m 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
- OSP — Redzikowo Air Base · Slupsk, Poland
- 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 OSP
- GDN · Gdańsk Lech Wałęsa Airport55 mi away
- QYD · Oksywie Military Air Base57 mi away
- RNN · Bornholm Airport102 mi away
- BZG · Bydgoszcz Ignacy Jan Paderewski Airport102 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 OSP from RML?
The flight distance from Slupsk (OSP) to Colombo (RML) is 4,758 miles (7,657 km, 4,135 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSP to RML?
A nonstop flight takes about 9h 48m 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 Slupsk and Colombo?
Colombo is 3.5 hours ahead of Slupsk.
What is the cheapest way to fly from OSP to RML?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSP–RML that never appear on search engines, with no booking fees.