How far is Decatur, IL, from Rome?

The distance between Rome (Ciampino–G. B. Pastine International Airport) and Decatur (Decatur Airport) is 4970 miles / 7998 kilometers / 4319 nautical miles.

Distance from Rome to Decatur

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

Vincenty's formula (applied above)

• 4969.677 miles
• 7997.919 kilometers
• 4318.531 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

• 4957.240 miles
• 7977.905 kilometers
• 4307.724 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 Decatur?

The estimated flight time from Ciampino–G. B. Pastine International Airport to Decatur Airport is 9 hours and 54 minutes.

What is the time difference between Rome and Decatur?

The time difference between Rome and Decatur is 7 hours. Decatur is 7 hours behind Rome.

Flight carbon footprint between Ciampino–G. B. Pastine International Airport (CIA) and Decatur Airport (DEC)

On average, flying from Rome to Decatur generates about 580 kg of CO2 per passenger, and 580 kilograms equals 1 278 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rome to Decatur

See the map of the shortest flight path between Ciampino–G. B. Pastine International Airport (CIA) and Decatur Airport (DEC).

Airport information

Origin	Ciampino–G. B. Pastine International Airport
City:	Rome
Country:	Italy
IATA Code:	CIA
ICAO Code:	LIRA
Coordinates:	41°47′57″N, 12°35′41″E

Destination	Decatur Airport
City:	Decatur, IL
Country:	United States
IATA Code:	DEC
ICAO Code:	KDEC
Coordinates:	39°50′4″N, 88°51′56″W