How far is Sofia from Champaign, IL?

The distance between Champaign (University of Illinois Willard Airport) and Sofia (Sofia Airport) is 5320 miles / 8562 kilometers / 4623 nautical miles.

Distance from Champaign to Sofia

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

Vincenty's formula (applied above)

• 5320.020 miles
• 8561.743 kilometers
• 4622.971 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

• 5306.640 miles
• 8540.209 kilometers
• 4611.344 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 Champaign to Sofia?

The estimated flight time from University of Illinois Willard Airport to Sofia Airport is 10 hours and 34 minutes.

What is the time difference between Champaign and Sofia?

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

Flight carbon footprint between University of Illinois Willard Airport (CMI) and Sofia Airport (SOF)

On average, flying from Champaign to Sofia generates about 626 kg of CO2 per passenger, and 626 kilograms equals 1 380 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Champaign to Sofia

See the map of the shortest flight path between University of Illinois Willard Airport (CMI) and Sofia Airport (SOF).

Airport information

Origin	University of Illinois Willard Airport
City:	Champaign, IL
Country:	United States
IATA Code:	CMI
ICAO Code:	KCMI
Coordinates:	40°2′21″N, 88°16′41″W

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