How far is Decatur, IL, from Belleville, IL?

The distance between Belleville (Scott Air Force Base) and Decatur (Decatur Airport) is 103 miles / 166 kilometers / 90 nautical miles.

The driving distance from Belleville (BLV) to Decatur (DEC) is 133 miles / 214 kilometers, and travel time by car is about 2 hours 41 minutes.

Distance from Belleville to Decatur

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

Vincenty's formula (applied above)

• 103.054 miles
• 165.849 kilometers
• 89.551 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

• 103.111 miles
• 165.941 kilometers
• 89.601 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 Belleville to Decatur?

The estimated flight time from Scott Air Force Base to Decatur Airport is 41 minutes.

What is the time difference between Belleville and Decatur?

There is no time difference between Belleville and Decatur.

Flight carbon footprint between Scott Air Force Base (BLV) and Decatur Airport (DEC)

On average, flying from Belleville to Decatur generates about 40 kg of CO2 per passenger, and 40 kilograms equals 89 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Belleville to Decatur

See the map of the shortest flight path between Scott Air Force Base (BLV) and Decatur Airport (DEC).

Airport information

Origin	Scott Air Force Base
City:	Belleville, IL
Country:	United States
IATA Code:	BLV
ICAO Code:	KBLV
Coordinates:	38°32′42″N, 89°50′6″W

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