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TRS to KOS: distance & flight time
Ronchi De Legionari (Trieste–Friuli Venezia Giulia Airport) → Sihanoukville (Sihanoukville International Airport)
5,703 mi
9,179 km · 4,956 nm
11h 39m
estimated nonstop flight time
+5h
time difference · heading east
See live TRS→KOS fares Phone-only fares on this route — call free
Flight time details
5,703 miles nonstop takes roughly 11h 39m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- TRS — Trieste–Friuli Venezia Giulia Airport · Ronchi De Legionari, Italy
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
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 TRS
- POW · Portoroz Airport25 mi away
- AVB · Aviano Air Base44 mi away
- LJU · Ljubljana Jože Pučnik Airport55 mi away
- VCE · Venice Marco Polo Airport58 mi away
Near KOS
- PQC · Phu Quoc International Airport37 mi away
- PNH · Phnom Penh International Airport106 mi away
- VKG · Rach Gia Airport110 mi away
- KZC · Kampong Chhnang Airport132 mi away
Frequently asked questions
How far is TRS from KOS?
The flight distance from Ronchi De Legionari (TRS) to Sihanoukville (KOS) is 5,703 miles (9,179 km, 4,956 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TRS to KOS?
A nonstop flight takes about 11h 39m 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 Ronchi De Legionari and Sihanoukville?
Sihanoukville is 5 hours ahead of Ronchi De Legionari.
What is the cheapest way to fly from TRS to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TRS–KOS that never appear on search engines, with no booking fees.