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KSO to ONO: distance & flight time
Kastoria (Kastoria National Airport) → Ontario (Ontario Municipal Airport)
6,051 mi
9,738 km · 5,258 nm
12h 20m
estimated nonstop flight time
-9h
time difference · heading northwest
See live KSO→ONO fares Phone-only fares on this route — call free
Flight time details
6,051 miles nonstop takes roughly 12h 20m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- KSO — Kastoria National Airport · Kastoria, Greece
- ONO — Ontario Municipal Airport · Ontario, United States
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 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
Near ONO
- BOI · Boise Air Terminal/Gowen Field50 mi away
- BKE · Baker City Municipal Airport69 mi away
- MYL · McCall Municipal Airport75 mi away
- MUO · Mountain Home Air Force Base88 mi away
Frequently asked questions
How far is KSO from ONO?
The flight distance from Kastoria (KSO) to Ontario (ONO) is 6,051 miles (9,738 km, 5,258 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KSO to ONO?
A nonstop flight takes about 12h 20m 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 Kastoria and Ontario?
Ontario is 9 hours behind Kastoria.
What is the cheapest way to fly from KSO to ONO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KSO–ONO that never appear on search engines, with no booking fees.