How far is Decatur, IL, from Mobile, AL?

The distance between Mobile (Mobile Regional Airport) and Decatur (Decatur Airport) is 631 miles / 1016 kilometers / 549 nautical miles.

The driving distance from Mobile (MOB) to Decatur (DEC) is 726 miles / 1168 kilometers, and travel time by car is about 14 hours 17 minutes.

Distance from Mobile to Decatur

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

Vincenty's formula (applied above)

• 631.313 miles
• 1015.999 kilometers
• 548.596 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

• 632.720 miles
• 1018.264 kilometers
• 549.819 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 Mobile to Decatur?

The estimated flight time from Mobile Regional Airport to Decatur Airport is 1 hour and 41 minutes.

What is the time difference between Mobile and Decatur?

There is no time difference between Mobile and Decatur.

Flight carbon footprint between Mobile Regional Airport (MOB) and Decatur Airport (DEC)

On average, flying from Mobile to Decatur generates about 117 kg of CO2 per passenger, and 117 kilograms equals 257 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Mobile to Decatur

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

Airport information

Origin	Mobile Regional Airport
City:	Mobile, AL
Country:	United States
IATA Code:	MOB
ICAO Code:	KMOB
Coordinates:	30°41′28″N, 88°14′34″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