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THR to TRS: distance & flight time
Teheran (Mehrabad International Airport) → Ronchi De Legionari (Trieste–Friuli Venezia Giulia Airport)
2,078 mi
3,344 km · 1,806 nm
4h 32m
estimated nonstop flight time
-1.5h
time difference · heading northwest
See live THR→TRS fares Phone-only fares on this route — call free
Flight time details
2,078 miles nonstop takes roughly 4h 32m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.5-hour time set-back when reading arrival times on your ticket.
The two airports
- THR — Mehrabad International Airport · Teheran, Iran
- TRS — Trieste–Friuli Venezia Giulia Airport · Ronchi De Legionari, Italy
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 THR
- IKA · Imam Khomeini International Airport21 mi away
- PYK · Payam International Airport28 mi away
- NSH · Noshahr Airport68 mi away
- GZW · Qazvin Airport80 mi away
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
Frequently asked questions
How far is THR from TRS?
The flight distance from Teheran (THR) to Ronchi De Legionari (TRS) is 2,078 miles (3,344 km, 1,806 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THR to TRS?
A nonstop flight takes about 4h 32m 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 Teheran and Ronchi De Legionari?
Ronchi De Legionari is 1.5 hours behind Teheran.
What is the cheapest way to fly from THR to TRS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THR–TRS that never appear on search engines, with no booking fees.