How far is Watertown, NY, from Decatur, IL?
The distance between Decatur (Decatur Airport) and Watertown (Watertown International Airport) is 721 miles / 1160 kilometers / 626 nautical miles.
The driving distance from Decatur (DEC) to Watertown (ART) is 880 miles / 1417 kilometers, and travel time by car is about 16 hours 46 minutes.
Decatur Airport – Watertown International Airport
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Distance from Decatur to Watertown
There are several ways to calculate the distance from Decatur to Watertown. Here are two standard methods:
Vincenty's formula (applied above)- 720.589 miles
- 1159.676 kilometers
- 626.175 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- 719.135 miles
- 1157.335 kilometers
- 624.911 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 Watertown?
The estimated flight time from Decatur Airport to Watertown International Airport is 1 hour and 51 minutes.
What is the time difference between Decatur and Watertown?
The time difference between Decatur and Watertown is 1 hour. Watertown is 1 hour ahead of Decatur.
Flight carbon footprint between Decatur Airport (DEC) and Watertown International Airport (ART)
On average, flying from Decatur to Watertown generates about 127 kg of CO2 per passenger, and 127 kilograms equals 280 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 Watertown
See the map of the shortest flight path between Decatur Airport (DEC) and Watertown International Airport (ART).
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 | Watertown International Airport |
|---|---|
| City: | Watertown, NY |
| Country: | United States |
| IATA Code: | ART |
| ICAO Code: | KART |
| Coordinates: | 43°59′30″N, 76°1′18″W |