Need help booking?
Unpublished phone-only deals available
GRS to PHN: distance & flight time
Grosseto (Grosseto Air Base) → Port Huron (St Clair County International Airport)
4,465 mi
7,186 km · 3,880 nm
9h 13m
estimated nonstop flight time
-6h
time difference · heading northwest
See live GRS→PHN fares Phone-only fares on this route — call free
Flight time details
4,465 miles nonstop takes roughly 9h 13m 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
- GRS — Grosseto Air Base · Grosseto, 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.
Near GRS
- SAY · Siena-Ampugnano Airport36 mi away
- EBA · Marina Di Campo Airport42 mi away
- FCO · Leonardo da Vinci–Fiumicino Airport89 mi away
- PSA · Pisa International Airport72 mi away
Near PHN
Frequently asked questions
How far is GRS from PHN?
The flight distance from Grosseto (GRS) to Port Huron (PHN) is 4,465 miles (7,186 km, 3,880 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRS to PHN?
A nonstop flight takes about 9h 13m 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 Grosseto and Port Huron?
Port Huron is 6 hours behind Grosseto.
What is the cheapest way to fly from GRS to PHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRS–PHN that never appear on search engines, with no booking fees.