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PSM to DCI: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Decimomannu (Decimomannu Air Base)
3,992 mi
6,425 km · 3,469 nm
8h 18m
estimated nonstop flight time
+6h
time difference · heading northeast
See live PSM→DCI fares Phone-only fares on this route — call free
Flight time details
3,992 miles nonstop takes roughly 8h 18m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
- DCI — Decimomannu Air Base · Decimomannu, 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 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
Near DCI
- CAG · Cagliari Elmas Airport8 mi away
- FNU · Oristano-Fenosu Airport41 mi away
- TTB · Tortolì Airport54 mi away
- AHO · Alghero-Fertilia Airport95 mi away
Frequently asked questions
How far is PSM from DCI?
The flight distance from Portsmouth (PSM) to Decimomannu (DCI) is 3,992 miles (6,425 km, 3,469 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to DCI?
A nonstop flight takes about 8h 18m 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 Portsmouth and Decimomannu?
Decimomannu is 6 hours ahead of Portsmouth.
What is the cheapest way to fly from PSM to DCI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–DCI that never appear on search engines, with no booking fees.