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TRS to DEN: distance & flight time
Ronchi De Legionari (Trieste–Friuli Venezia Giulia Airport) → Denver (Denver International Airport)
5,391 mi
8,677 km · 4,685 nm
11h 2m
estimated nonstop flight time
-8h
time difference · heading northwest
See live TRS→DEN fares Phone-only fares on this route — call free
Flight time details
5,391 miles nonstop takes roughly 11h 2m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- TRS — Trieste–Friuli Venezia Giulia Airport · Ronchi De Legionari, Italy
- DEN — Denver International Airport · Denver, United States
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 DEN
- BFK · Buckley Air Force Base12 mi away
- APA · Centennial Airport22 mi away
- BJC · Rocky Mountain Metropolitan Airport24 mi away
- WBU · Boulder Municipal Airport32 mi away
Frequently asked questions
How far is TRS from DEN?
The flight distance from Ronchi De Legionari (TRS) to Denver (DEN) is 5,391 miles (8,677 km, 4,685 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TRS to DEN?
A nonstop flight takes about 11h 2m 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 DEN?
Nonstop service on TRS–DEN 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 2m nonstop estimate.
What is the time difference between Ronchi De Legionari and Denver?
Denver is 8 hours behind Ronchi De Legionari.
What is the cheapest way to fly from TRS to DEN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TRS–DEN that never appear on search engines, with no booking fees.
Why are some TRS to DEN fares phone-only?
Consolidator contracts let us sell certain TRS–DEN 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.