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

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

The driving distance from Decatur (DEC) to Mobile (MOB) is 726 miles / 1169 kilometers, and travel time by car is about 14 hours 11 minutes.

Distance from Decatur to Mobile

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

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

What is the time difference between Decatur and Mobile?

There is no time difference between Decatur and Mobile.

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

On average, flying from Decatur to Mobile 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 Decatur to Mobile

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

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