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GAI to FCO: distance & flight time
Gaithersburg (Montgomery County Airpark) → Rome (Leonardo da Vinci–Fiumicino Airport)
4,472 mi
7,197 km · 3,886 nm
9h 14m
estimated nonstop flight time
+6h
time difference · heading northeast
See live GAI→FCO fares Phone-only fares on this route — call free
Flight time details
4,472 miles nonstop takes roughly 9h 14m 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
- GAI — Montgomery County Airpark · Gaithersburg, United States
- FCO — Leonardo da Vinci–Fiumicino 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
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Frequently asked questions
How far is GAI from FCO?
The flight distance from Gaithersburg (GAI) to Rome (FCO) is 4,472 miles (7,197 km, 3,886 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to FCO?
A nonstop flight takes about 9h 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 Gaithersburg and Rome?
Rome is 6 hours ahead of Gaithersburg.
What is the cheapest way to fly from GAI to FCO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–FCO that never appear on search engines, with no booking fees.