How far is Fort Smith from Decatur, IL?
The distance between Decatur (Decatur Airport) and Fort Smith (Fort Smith Airport) is 1715 miles / 2760 kilometers / 1490 nautical miles.
The driving distance from Decatur (DEC) to Fort Smith (YSM) is 2255 miles / 3629 kilometers, and travel time by car is about 47 hours 15 minutes.
Decatur Airport – Fort Smith Airport
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Distance from Decatur to Fort Smith
There are several ways to calculate the distance from Decatur to Fort Smith. Here are two standard methods:
Vincenty's formula (applied above)- 1715.154 miles
- 2760.273 kilometers
- 1490.428 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- 1713.084 miles
- 2756.941 kilometers
- 1488.629 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 Fort Smith?
The estimated flight time from Decatur Airport to Fort Smith Airport is 3 hours and 44 minutes.
What is the time difference between Decatur and Fort Smith?
The time difference between Decatur and Fort Smith is 1 hour. Fort Smith is 1 hour behind Decatur.
Flight carbon footprint between Decatur Airport (DEC) and Fort Smith Airport (YSM)
On average, flying from Decatur to Fort Smith generates about 194 kg of CO2 per passenger, and 194 kilograms equals 427 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 Fort Smith
See the map of the shortest flight path between Decatur Airport (DEC) and Fort Smith Airport (YSM).
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 | Fort Smith Airport |
|---|---|
| City: | Fort Smith |
| Country: | Canada  |
| IATA Code: | YSM |
| ICAO Code: | CYSM |
| Coordinates: | 60°1′13″N, 111°57′43″W |