How far is Sofia from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Sofia (Sofia Airport) is 5211 miles / 8387 kilometers / 4528 nautical miles.

Distance from Chicago to Sofia

There are several ways to calculate the distance from Chicago to Sofia. Here are two standard methods:

Vincenty's formula (applied above)

• 5211.297 miles
• 8386.769 kilometers
• 4528.493 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

• 5197.854 miles
• 8365.135 kilometers
• 4516.811 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 Chicago to Sofia?

The estimated flight time from Chicago O'Hare International Airport to Sofia Airport is 10 hours and 22 minutes.

What is the time difference between Chicago and Sofia?

The time difference between Chicago and Sofia is 8 hours. Sofia is 8 hours ahead of Chicago.

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Sofia Airport (SOF)

On average, flying from Chicago to Sofia generates about 611 kg of CO2 per passenger, and 611 kilograms equals 1 348 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Sofia

See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and Sofia Airport (SOF).

Airport information

Origin	Chicago O'Hare International Airport
City:	Chicago, IL
Country:	United States
IATA Code:	ORD
ICAO Code:	KORD
Coordinates:	41°58′42″N, 87°54′17″W

Destination	Sofia Airport
City:	Sofia
Country:	Bulgaria
IATA Code:	SOF
ICAO Code:	LBSF
Coordinates:	42°41′48″N, 23°24′41″E