How far is Nis from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Nis (Niš Constantine the Great Airport) is 5157 miles / 8299 kilometers / 4481 nautical miles.

Distance from Rockford to Nis

There are several ways to calculate the distance from Rockford to Nis. Here are two standard methods:

Vincenty's formula (applied above)

• 5156.610 miles
• 8298.760 kilometers
• 4480.972 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

• 5143.173 miles
• 8277.134 kilometers
• 4469.295 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 Rockford to Nis?

The estimated flight time from Chicago Rockford International Airport to Niš Constantine the Great Airport is 10 hours and 15 minutes.

What is the time difference between Rockford and Nis?

The time difference between Rockford and Nis is 7 hours. Nis is 7 hours ahead of Rockford.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Niš Constantine the Great Airport (INI)

On average, flying from Rockford to Nis generates about 604 kg of CO2 per passenger, and 604 kilograms equals 1 332 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rockford to Nis

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Niš Constantine the Great Airport (INI).

Airport information

Origin	Chicago Rockford International Airport
City:	Rockford, IL
Country:	United States
IATA Code:	RFD
ICAO Code:	KRFD
Coordinates:	42°11′43″N, 89°5′49″W

Destination	Niš Constantine the Great Airport
City:	Nis
Country:	Serbia
IATA Code:	INI
ICAO Code:	LYNI
Coordinates:	43°20′14″N, 21°51′13″E