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STS to TRS: distance & flight time
Santa Rosa (Charles M. Schulz Sonoma County Airport) → Ronchi De Legionari (Trieste–Friuli Venezia Giulia Airport)
6,011 mi
9,673 km · 5,223 nm
12h 15m
estimated nonstop flight time
+9h
time difference · heading northeast
See live STS→TRS fares Phone-only fares on this route — call free
Flight time details
6,011 miles nonstop takes roughly 12h 15m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- STS — Charles M. Schulz Sonoma County Airport · Santa Rosa, 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 STS
- SFO · San Francisco International Airport66 mi away
- NOT · Marin County Airport - Gnoss Field29 mi away
- APC · Napa County Airport35 mi away
- UKI · Ukiah Municipal Airport47 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 STS from TRS?
The flight distance from Santa Rosa (STS) to Ronchi De Legionari (TRS) is 6,011 miles (9,673 km, 5,223 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STS to TRS?
A nonstop flight takes about 12h 15m 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 Santa Rosa and Ronchi De Legionari?
Ronchi De Legionari is 9 hours ahead of Santa Rosa.
What is the cheapest way to fly from STS to TRS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STS–TRS that never appear on search engines, with no booking fees.