How far is Great Falls, MT, from Rome?

The distance between Rome (Leonardo da Vinci–Fiumicino Airport) and Great Falls (Great Falls International Airport) is 5386 miles / 8667 kilometers / 4680 nautical miles.

Distance from Rome to Great Falls

There are several ways to calculate the distance from Rome to Great Falls. Here are two standard methods:

Vincenty's formula (applied above)

• 5385.631 miles
• 8667.333 kilometers
• 4679.985 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula

• 5371.205 miles
• 8644.116 kilometers
• 4667.449 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Rome to Great Falls?

The estimated flight time from Leonardo da Vinci–Fiumicino Airport to Great Falls International Airport is 10 hours and 41 minutes.

What is the time difference between Rome and Great Falls?

The time difference between Rome and Great Falls is 8 hours. Great Falls is 8 hours behind Rome.

Flight carbon footprint between Leonardo da Vinci–Fiumicino Airport (FCO) and Great Falls International Airport (GTF)

On average, flying from Rome to Great Falls generates about 634 kg of CO2 per passenger, and 634 kilograms equals 1 399 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rome to Great Falls

See the map of the shortest flight path between Leonardo da Vinci–Fiumicino Airport (FCO) and Great Falls International Airport (GTF).

Airport information

Origin	Leonardo da Vinci–Fiumicino Airport
City:	Rome
Country:	Italy
IATA Code:	FCO
ICAO Code:	LIRF
Coordinates:	41°48′16″N, 12°15′2″E

Destination	Great Falls International Airport
City:	Great Falls, MT
Country:	United States
IATA Code:	GTF
ICAO Code:	KGTF
Coordinates:	47°28′55″N, 111°22′15″W