How far is Fort Smith from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Fort Smith (Fort Smith Airport) is 1567 miles / 2522 kilometers / 1362 nautical miles.
The driving distance from Rockford (RFD) to Fort Smith (YSM) is 2083 miles / 3353 kilometers, and travel time by car is about 44 hours 3 minutes.
Chicago Rockford International Airport – Fort Smith Airport
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Distance from Rockford to Fort Smith
There are several ways to calculate the distance from Rockford to Fort Smith. Here are two standard methods:
Vincenty's formula (applied above)- 1566.948 miles
- 2521.758 kilometers
- 1361.640 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- 1564.626 miles
- 2518.022 kilometers
- 1359.623 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 Rockford to Fort Smith?
The estimated flight time from Chicago Rockford International Airport to Fort Smith Airport is 3 hours and 28 minutes.
What is the time difference between Rockford and Fort Smith?
The time difference between Rockford and Fort Smith is 1 hour. Fort Smith is 1 hour behind Rockford.
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Fort Smith Airport (YSM)
On average, flying from Rockford to Fort Smith generates about 184 kg of CO2 per passenger, and 184 kilograms equals 405 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Rockford to Fort Smith
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Fort Smith Airport (YSM).
Airport information
| Origin | Chicago Rockford International Airport |
|---|---|
| City: | Rockford, IL |
| Country: | United States  |
| IATA Code: | RFD |
| ICAO Code: | KRFD |
| Coordinates: | 42°11′43″N, 89°5′49″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 |