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TRS to ROI: distance & flight time
Ronchi De Legionari (Trieste–Friuli Venezia Giulia Airport) → Roi Et (Roi Et Airport)
5,439 mi
8,753 km · 4,726 nm
11h 8m
estimated nonstop flight time
+6h
time difference · heading east
See live TRS→ROI fares Phone-only fares on this route — call free
Flight time details
5,439 miles nonstop takes roughly 11h 8m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- TRS — Trieste–Friuli Venezia Giulia Airport · Ronchi De Legionari, Italy
- ROI — Roi Et Airport · Roi Et, Thailand
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 ROI
- KKC · Khon Kaen Airport70 mi away
- BFV · Buri Ram Airport70 mi away
- ZVK · Savannakhet Airport72 mi away
- SNO · Sakon Nakhon Airport78 mi away
Frequently asked questions
How far is TRS from ROI?
The flight distance from Ronchi De Legionari (TRS) to Roi Et (ROI) is 5,439 miles (8,753 km, 4,726 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TRS to ROI?
A nonstop flight takes about 11h 8m 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 TRS to ROI?
Nonstop service on TRS–ROI 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 11h 8m nonstop estimate.
What is the time difference between Ronchi De Legionari and Roi Et?
Roi Et is 6 hours ahead of Ronchi De Legionari.
What is the cheapest way to fly from TRS to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TRS–ROI that never appear on search engines, with no booking fees.
Why are some TRS to ROI fares phone-only?
Consolidator contracts let us sell certain TRS–ROI 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.