Distance From Tissa Tank Waterdrome to Oslo Airport, Gardermoen, TTW - OSL Distance

The distance from Tissa Tank Waterdrome (TTW) to Oslo Airport, Gardermoen (OSL) is 5167 miles or 8316 kilometers or 4487 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Tissamaharama ( Sri Lanka ) to Oslo ( Norway )?

A one-way nonstop (direct) flight between Tissamaharama and Oslo takes around 11 hours 52 minutes.

Estimated flight time from Tissa Tank Waterdrome, Tissamaharama, Sri Lanka to Oslo Airport, Gardermoen, Oslo, Norway is 11 hours 52 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • TTW - OSL

Kilometers		8316 km
Statute Miles		5167 miles
Nautical Miles		4487 nm
Avg. Time of Flight		11 hours 52 minutes

Tissa Tank Waterdrome to Oslo Airport, Gardermoen Flight Route Map - TTW to OSL Flight Path

Location of Tissa Tank Waterdrome & Oslo Airport, Gardermoen is given below.
Click the map to view Tissamaharama to Oslo nonstop flight path and travel direction.

Click to see flight route on Google Map between Tissamaharama, Sri Lanka and Oslo, Norway. .

Nonstop flight route between Tissamaharama, Sri Lanka and Oslo, Norway.

Time Difference Between the Airports • TTW - OSL

Time difference between Tissamaharama (Sri Lanka) and Oslo (Norway) is 3 Hours 30 Minutes.
Oslo time is 3 Hours 30 Minutes behind Tissamaharama.

Location	Local Time
Tissamaharama (Sri Lanka)	2026-05-04, 14:37:13 +0530
Oslo (Norway)	2026-05-04, 11:07:13 CEST

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Tissa Tank Waterdrome (TTW / ) Tissamaharama, Sri Lanka

Destination

Oslo Airport, Gardermoen (OSL / ENGM) Oslo, Norway