Need help booking?
Unpublished phone-only deals available
GRS to KSO: distance & flight time
Grosseto (Grosseto Air Base) → Kastoria (Kastoria National Airport)
551 mi
886 km · 479 nm
1h 40m
estimated nonstop flight time
+1h
time difference · heading east
See live GRS→KSO fares Phone-only fares on this route — call free
Flight time details
551 miles nonstop takes roughly 1h 40m gate to gate, flying east. 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
- GRS — Grosseto Air Base · Grosseto, Italy
- 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 GRS
- SAY · Siena-Ampugnano Airport36 mi away
- EBA · Marina Di Campo Airport42 mi away
- FCO · Leonardo da Vinci–Fiumicino Airport89 mi away
- PSA · Pisa International Airport72 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 GRS from KSO?
The flight distance from Grosseto (GRS) to Kastoria (KSO) is 551 miles (886 km, 479 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRS to KSO?
A nonstop flight takes about 1h 40m 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 GRS to KSO?
Nonstop service on GRS–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 1h 40m nonstop estimate.
What is the time difference between Grosseto and Kastoria?
Kastoria is 1 hour ahead of Grosseto.
What is the cheapest way to fly from GRS to KSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRS–KSO that never appear on search engines, with no booking fees.
Why are some GRS to KSO fares phone-only?
Consolidator contracts let us sell certain GRS–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.