How far is Varna from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Varna (Varna Airport) is 5372 miles / 8645 kilometers / 4668 nautical miles.

Distance from Rockford to Varna

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

Vincenty's formula (applied above)

• 5371.837 miles
• 8645.134 kilometers
• 4667.999 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

• 5357.917 miles
• 8622.731 kilometers
• 4655.902 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 Varna?

The estimated flight time from Chicago Rockford International Airport to Varna Airport is 10 hours and 40 minutes.

What is the time difference between Rockford and Varna?

The time difference between Rockford and Varna is 8 hours. Varna is 8 hours ahead of Rockford.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Varna Airport (VAR)

On average, flying from Rockford to Varna generates about 633 kg of CO2 per passenger, and 633 kilograms equals 1 395 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rockford to Varna

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Varna Airport (VAR).

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	Varna Airport
City:	Varna
Country:	Bulgaria
IATA Code:	VAR
ICAO Code:	LBWN
Coordinates:	43°13′55″N, 27°49′30″E