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PHN to CIA: distance & flight time
Port Huron (St Clair County International Airport) → Rome (Ciampino–G. B. Pastine International Airport)
4,567 mi
7,351 km · 3,969 nm
9h 25m
estimated nonstop flight time
+6h
time difference · heading northeast
See live PHN→CIA fares Phone-only fares on this route — call free
Flight time details
4,567 miles nonstop takes roughly 9h 25m 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
- PHN — St Clair County International Airport · Port Huron, United States
- CIA — Ciampino–G. B. Pastine International Airport · Rome, 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.
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Frequently asked questions
How far is PHN from CIA?
The flight distance from Port Huron (PHN) to Rome (CIA) is 4,567 miles (7,351 km, 3,969 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PHN to CIA?
A nonstop flight takes about 9h 25m 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 Port Huron and Rome?
Rome is 6 hours ahead of Port Huron.
What is the cheapest way to fly from PHN to CIA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PHN–CIA that never appear on search engines, with no booking fees.