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FNL to TRS: distance & flight time
Fort Collins (Northern Colorado Regional Airport) → Ronchi De Legionari (Trieste–Friuli Venezia Giulia Airport)
5,371 mi
8,643 km · 4,667 nm
11h
estimated nonstop flight time
+8h
time difference · heading northeast
See live FNL→TRS fares Phone-only fares on this route — call free
Flight time details
5,371 miles nonstop takes roughly 11h gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- FNL — Northern Colorado Regional Airport · Fort Collins, United States
- 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 FNL
- DEN · Denver International Airport45 mi away
- GXY · Greeley–Weld County Airport20 mi away
- WBU · Boulder Municipal Airport31 mi away
- BJC · Rocky Mountain Metropolitan Airport38 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 FNL from TRS?
The flight distance from Fort Collins (FNL) to Ronchi De Legionari (TRS) is 5,371 miles (8,643 km, 4,667 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FNL to TRS?
A nonstop flight takes about 11h 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 Fort Collins and Ronchi De Legionari?
Ronchi De Legionari is 8 hours ahead of Fort Collins.
What is the cheapest way to fly from FNL to TRS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FNL–TRS that never appear on search engines, with no booking fees.