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MSS to KSO: distance & flight time
Massena (Massena International Richards Field) → Kastoria (Kastoria National Airport)
4,586 mi
7,381 km · 3,985 nm
9h 28m
estimated nonstop flight time
+7h
time difference · heading northeast
See live MSS→KSO fares Phone-only fares on this route — call free
Flight time details
4,586 miles nonstop takes roughly 9h 28m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- MSS — Massena International Richards Field · Massena, 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 MSS
- YCC · Cornwall Regional Airport18 mi away
- OGS · Ogdensburg International Airport35 mi away
- YOW · Ottawa Macdonald-Cartier International Airport48 mi away
- SLK · Adirondack Regional Airport49 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 MSS from KSO?
The flight distance from Massena (MSS) to Kastoria (KSO) is 4,586 miles (7,381 km, 3,985 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MSS to KSO?
A nonstop flight takes about 9h 28m 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 Massena and Kastoria?
Kastoria is 7 hours ahead of Massena.
What is the cheapest way to fly from MSS to KSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MSS–KSO that never appear on search engines, with no booking fees.