How far is Decatur, IL, from Columbia, MO?

The distance between Columbia (Columbia Regional Airport) and Decatur (Decatur Airport) is 193 miles / 310 kilometers / 168 nautical miles.

The driving distance from Columbia (COU) to Decatur (DEC) is 237 miles / 381 kilometers, and travel time by car is about 4 hours 49 minutes.

Distance from Columbia to Decatur

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

Vincenty's formula (applied above)

• 192.880 miles
• 310.410 kilometers
• 167.608 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

• 192.508 miles
• 309.811 kilometers
• 167.285 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 Columbia to Decatur?

The estimated flight time from Columbia Regional Airport to Decatur Airport is 51 minutes.

What is the time difference between Columbia and Decatur?

There is no time difference between Columbia and Decatur.

Flight carbon footprint between Columbia Regional Airport (COU) and Decatur Airport (DEC)

On average, flying from Columbia to Decatur generates about 53 kg of CO2 per passenger, and 53 kilograms equals 118 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Columbia to Decatur

See the map of the shortest flight path between Columbia Regional Airport (COU) and Decatur Airport (DEC).

Airport information

Origin	Columbia Regional Airport
City:	Columbia, MO
Country:	United States
IATA Code:	COU
ICAO Code:	KCOU
Coordinates:	38°49′5″N, 92°13′10″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