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KTM to KSO: distance & flight time
Kathmandu (Tribhuvan International Airport) → Kastoria (Kastoria National Airport)
3,690 mi
5,939 km · 3,207 nm
7h 42m
estimated nonstop flight time
-2.7h
time difference · heading northwest
See live KTM→KSO fares Phone-only fares on this route — call free
Flight time details
3,690 miles nonstop takes roughly 7h 42m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2.7-hour time set-back when reading arrival times on your ticket.
The two airports
- KTM — Tribhuvan International Airport · Kathmandu, Nepal
- 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 KTM
- SIF · Simara Airport44 mi away
- RHP · Ramechhap Airport48 mi away
- BHR · Bharatpur Airport57 mi away
- MEY · Meghauli Airport70 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 KTM from KSO?
The flight distance from Kathmandu (KTM) to Kastoria (KSO) is 3,690 miles (5,939 km, 3,207 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KTM to KSO?
A nonstop flight takes about 7h 42m 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 Kathmandu and Kastoria?
Kastoria is 2.7 hours behind Kathmandu.
What is the cheapest way to fly from KTM to KSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KTM–KSO that never appear on search engines, with no booking fees.