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

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

The driving distance from Decatur (DEC) to Belleville (BLV) is 134 miles / 215 kilometers, and travel time by car is about 2 hours 42 minutes.

Distance from Decatur to Belleville

There are several ways to calculate the distance from Decatur to Belleville. 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 Decatur to Belleville?

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

What is the time difference between Decatur and Belleville?

There is no time difference between Decatur and Belleville.

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

On average, flying from Decatur to Belleville 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 Decatur to Belleville

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

Airport information

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

Destination	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