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FCO to PHN: distance & flight time
Rome (Leonardo da Vinci–Fiumicino Airport) → Port Huron (St Clair County International Airport)
4,553 mi
7,327 km · 3,956 nm
9h 24m
estimated nonstop flight time
-6h
time difference · heading northwest
See live FCO→PHN fares Phone-only fares on this route — call free
Flight time details
4,553 miles nonstop takes roughly 9h 24m 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
- FCO — Leonardo da Vinci–Fiumicino Airport · Rome, Italy
- PHN — St Clair County International Airport · Port Huron, 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.
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Frequently asked questions
How far is FCO from PHN?
The flight distance from Rome (FCO) to Port Huron (PHN) is 4,553 miles (7,327 km, 3,956 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FCO to PHN?
A nonstop flight takes about 9h 24m 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 Rome and Port Huron?
Port Huron is 6 hours behind Rome.
What is the cheapest way to fly from FCO to PHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FCO–PHN that never appear on search engines, with no booking fees.