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OSY to KSO: distance & flight time
Namsos (Namsos Høknesøra Airport) → Kastoria (Kastoria National Airport)
1,705 mi
2,744 km · 1,482 nm
3h 49m
estimated nonstop flight time
+1h
time difference · heading south
See live OSY→KSO fares Phone-only fares on this route — call free
Flight time details
1,705 miles nonstop takes roughly 3h 49m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- OSY — Namsos Høknesøra Airport · Namsos, Norway
- KSO — Kastoria National Airport · Kastoria, Greece
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 KSO
- KZI · Filippos Airport31 mi away
- IOA · Ioannina Airport57 mi away
- OHD · Ohrid St. Paul the Apostle Airport58 mi away
- LRA · Larisa Airport83 mi away
Frequently asked questions
How far is OSY from KSO?
The flight distance from Namsos (OSY) to Kastoria (KSO) is 1,705 miles (2,744 km, 1,482 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSY to KSO?
A nonstop flight takes about 3h 49m 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 Kastoria?
Kastoria is 1 hour ahead of Namsos.
What is the cheapest way to fly from OSY to KSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSY–KSO that never appear on search engines, with no booking fees.