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How far is Great Falls, MT, from Rome?

The distance between Rome (Ciampino–G. B. Pastine International Airport) and Great Falls (Great Falls International Airport) is 5396 miles / 8684 kilometers / 4689 nautical miles.

Ciampino–G. B. Pastine International Airport – Great Falls International Airport

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5396
Miles
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8684
Kilometers
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4689
Nautical miles

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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)
  • 5396.127 miles
  • 8684.224 kilometers
  • 4689.106 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
  • 5381.677 miles
  • 8660.969 kilometers
  • 4676.549 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 Ciampino–G. B. Pastine International Airport to Great Falls International Airport is 10 hours and 43 minutes.

Flight carbon footprint between Ciampino–G. B. Pastine International Airport (CIA) and Great Falls International Airport (GTF)

On average, flying from Rome to Great Falls generates about 636 kg of CO2 per passenger, and 636 kilograms equals 1 402 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 Ciampino–G. B. Pastine International Airport (CIA) and Great Falls International Airport (GTF).

Airport information

Origin Ciampino–G. B. Pastine International Airport
City: Rome
Country: Italy Flag of Italy
IATA Code: CIA
ICAO Code: LIRA
Coordinates: 41°47′57″N, 12°35′41″E
Destination Great Falls International Airport
City: Great Falls, MT
Country: United States Flag of United States
IATA Code: GTF
ICAO Code: KGTF
Coordinates: 47°28′55″N, 111°22′15″W