Oslo (OSL) — Tromso (TOS): how long is the flight?
OSL — TOS: scheduled duration in the saved data is 2 hr, the median of available flights.
OSL — TOS: what is the distance?
The straight-line distance between airports OSL and TOS is about 1,124 km, not the actual flight path.
Airlines on this route
The saved board for OSL — TOS lists these airlines: Norwegian, SAS, Norwegian Air Sweden AOC.