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RAL to KSO: distance & flight time
Riverside (Riverside Municipal Airport) → Kastoria (Kastoria National Airport)
6,663 mi
10,723 km · 5,790 nm
13h 32m
estimated nonstop flight time
+9h
time difference · heading northeast
See live RAL→KSO fares Phone-only fares on this route — call free
Flight time details
6,663 miles nonstop takes roughly 13h 32m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- RAL — Riverside Municipal Airport · Riverside, United States
- 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 RAL
- ONT · Ontario International Airport11 mi away
- CNO · Chino Airport11 mi away
- RIV · March ARB Airport12 mi away
- LAX · Los Angeles International Airport55 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 RAL from KSO?
The flight distance from Riverside (RAL) to Kastoria (KSO) is 6,663 miles (10,723 km, 5,790 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RAL to KSO?
A nonstop flight takes about 13h 32m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from RAL to KSO?
Nonstop service on RAL–KSO depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 13h 32m nonstop estimate.
What is the time difference between Riverside and Kastoria?
Kastoria is 9 hours ahead of Riverside.
What is the cheapest way to fly from RAL to KSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RAL–KSO that never appear on search engines, with no booking fees.
Why are some RAL to KSO fares phone-only?
Consolidator contracts let us sell certain RAL–KSO tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.