How far is Alma from Decatur, IL?

The distance between Decatur (Decatur Airport) and Alma (Alma Airport) is 1041 miles / 1675 kilometers / 904 nautical miles.

The driving distance from Decatur (DEC) to Alma (YTF) is 1295 miles / 2084 kilometers, and travel time by car is about 25 hours 20 minutes.

Distance from Decatur to Alma

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

Vincenty's formula (applied above)

• 1040.780 miles
• 1674.973 kilometers
• 904.413 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

• 1039.123 miles
• 1672.306 kilometers
• 902.973 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 Alma?

The estimated flight time from Decatur Airport to Alma Airport is 2 hours and 28 minutes.

What is the time difference between Decatur and Alma?

The time difference between Decatur and Alma is 1 hour. Alma is 1 hour ahead of Decatur.

Flight carbon footprint between Decatur Airport (DEC) and Alma Airport (YTF)

On average, flying from Decatur to Alma generates about 153 kg of CO2 per passenger, and 153 kilograms equals 338 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 Alma

See the map of the shortest flight path between Decatur Airport (DEC) and Alma Airport (YTF).

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	Alma Airport
City:	Alma
Country:	Canada
IATA Code:	YTF
ICAO Code:	CYTF
Coordinates:	48°30′32″N, 71°38′30″W