How far is Ottawa from Decatur, IL?

The distance between Decatur (Decatur Airport) and Ottawa (Ottawa Macdonald–Cartier International Airport) is 771 miles / 1241 kilometers / 670 nautical miles.

The driving distance from Decatur (DEC) to Ottawa (YOW) is 930 miles / 1497 kilometers, and travel time by car is about 17 hours 54 minutes.

Distance from Decatur to Ottawa

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

Vincenty's formula (applied above)

• 771.050 miles
• 1240.885 kilometers
• 670.024 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

• 769.688 miles
• 1238.692 kilometers
• 668.840 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 Ottawa?

The estimated flight time from Decatur Airport to Ottawa Macdonald–Cartier International Airport is 1 hour and 57 minutes.

What is the time difference between Decatur and Ottawa?

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

Flight carbon footprint between Decatur Airport (DEC) and Ottawa Macdonald–Cartier International Airport (YOW)

On average, flying from Decatur to Ottawa generates about 132 kg of CO2 per passenger, and 132 kilograms equals 291 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 Ottawa

See the map of the shortest flight path between Decatur Airport (DEC) and Ottawa Macdonald–Cartier International Airport (YOW).

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	Ottawa Macdonald–Cartier International Airport
City:	Ottawa
Country:	Canada
IATA Code:	YOW
ICAO Code:	CYOW
Coordinates:	45°19′20″N, 75°40′9″W