How far is Saint John from Decatur, IL?
The distance between Decatur (Decatur Airport) and Saint John (Saint John Airport) is 1227 miles / 1974 kilometers / 1066 nautical miles.
The driving distance from Decatur (DEC) to Saint John (YSJ) is 1517 miles / 2442 kilometers, and travel time by car is about 29 hours 7 minutes.
Decatur Airport – Saint John Airport
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Distance from Decatur to Saint John
There are several ways to calculate the distance from Decatur to Saint John. Here are two standard methods:
Vincenty's formula (applied above)- 1226.683 miles
- 1974.154 kilometers
- 1065.958 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- 1223.861 miles
- 1969.614 kilometers
- 1063.506 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 Saint John?
The estimated flight time from Decatur Airport to Saint John Airport is 2 hours and 49 minutes.
What is the time difference between Decatur and Saint John?
Flight carbon footprint between Decatur Airport (DEC) and Saint John Airport (YSJ)
On average, flying from Decatur to Saint John generates about 163 kg of CO2 per passenger, and 163 kilograms equals 358 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 Saint John
See the map of the shortest flight path between Decatur Airport (DEC) and Saint John Airport (YSJ).
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 | Saint John Airport |
|---|---|
| City: | Saint John |
| Country: | Canada  |
| IATA Code: | YSJ |
| ICAO Code: | CYSJ |
| Coordinates: | 45°18′57″N, 65°53′25″W |