Need help booking?
Unpublished phone-only deals available
TRS to PSM: distance & flight time
Ronchi De Legionari (Trieste–Friuli Venezia Giulia Airport) → Portsmouth (Portsmouth International at Pease Airport)
3,958 mi
6,370 km · 3,439 nm
8h 14m
estimated nonstop flight time
-6h
time difference · heading northwest
See live TRS→PSM fares Phone-only fares on this route — call free
Flight time details
3,958 miles nonstop takes roughly 8h 14m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- TRS — Trieste–Friuli Venezia Giulia Airport · Ronchi De Legionari, Italy
- PSM — Portsmouth International at Pease Airport · Portsmouth, 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 PSM
- BOS · General Edward Lawrence Logan International Airport50 mi away
- LWM · Lawrence Municipal Airport29 mi away
- MHT · Manchester-Boston Regional Airport33 mi away
- BVY · Beverly Municipal Airport34 mi away
Frequently asked questions
How far is TRS from PSM?
The flight distance from Ronchi De Legionari (TRS) to Portsmouth (PSM) is 3,958 miles (6,370 km, 3,439 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TRS to PSM?
A nonstop flight takes about 8h 14m 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 Ronchi De Legionari and Portsmouth?
Portsmouth is 6 hours behind Ronchi De Legionari.
What is the cheapest way to fly from TRS to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TRS–PSM that never appear on search engines, with no booking fees.