How far is Rockford, IL, from Fort Smith?
The distance between Fort Smith (Fort Smith Airport) and Rockford (Chicago Rockford International Airport) is 1567 miles / 2522 kilometers / 1362 nautical miles.
The driving distance from Fort Smith (YSM) to Rockford (RFD) is 2081 miles / 3349 kilometers, and travel time by car is about 44 hours 0 minutes.
Fort Smith Airport – Chicago Rockford International Airport
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Distance from Fort Smith to Rockford
There are several ways to calculate the distance from Fort Smith to Rockford. 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 Fort Smith to Rockford?
The estimated flight time from Fort Smith Airport to Chicago Rockford International Airport is 3 hours and 28 minutes.
What is the time difference between Fort Smith and Rockford?
Flight carbon footprint between Fort Smith Airport (YSM) and Chicago Rockford International Airport (RFD)
On average, flying from Fort Smith to Rockford 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 Fort Smith to Rockford
See the map of the shortest flight path between Fort Smith Airport (YSM) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Fort Smith Airport |
|---|---|
| City: | Fort Smith |
| Country: | Canada  |
| IATA Code: | YSM |
| ICAO Code: | CYSM |
| Coordinates: | 60°1′13″N, 111°57′43″W |
| Destination | 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 |